1880835840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 432

約数和(自身を含む): 7388078880

約数和(自身を除く): 5507243040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 32, 36, 38, 39, 40, 45, 48, 52, 57, 60, 64, 65, 72, 76, 78, 80, 90, 95, 96, 104, 114, 117, 120, 128, 130, 144, 152, 156, 160, 171, 180, 190, 192, 195, 208, 228, 234, 240, 247, 256, 260, 285, 288, 304, 312, 320, 342, 360, 380, 384, 390, 416, 456, 468, 480, 494, 520, 570, 576, 585, 608, 624, 640, 661, 684, 720, 741, 760, 768, 780, 832, 855, 912, 936, 960, 988, 1040, 1140, 1152, 1170, 1216, 1235, 1248, 1280, 1322, 1368, 1440, 1482, 1520, 1560, 1664, 1710, 1824, 1872, 1920, 1976, 1983, 2080, 2223, 2280, 2304, 2340, 2432, 2470, 2496, 2644, 2736, 2880, 2964, 3040, 3120, 3305, 3328, 3420, 3648, 3705, 3744, 3840, 3952, 3966, 4160, 4446, 4560, 4680, 4864, 4940, 4992, 5288, 5472, 5760, 5928, 5949, 6080, 6240, 6610, 6840, 7296, 7410, 7488, 7904, 7932, 8320, 8593, 8892, 9120, 9360, 9880, 9915, 9984, 10576, 10944, 11115, 11520, 11856, 11898, 12160, 12480, 12559, 13220, 13680, 14592, 14820, 14976, 15808, 15864, 16640, 17186, 17784, 18240, 18720, 19760, 19830, 21152, 21888, 22230, 23712, 23796, 24320, 24960, 25118, 25779, 26440, 27360, 29640, 29745, 29952, 31616, 31728, 34372, 35568, 36480, 37440, 37677, 39520, 39660, 42304, 42965, 43776, 44460, 47424, 47592, 49920, 50236, 51558, 52880, 54720, 59280, 59490, 62795, 63232, 63456, 68744, 71136, 72960, 74880, 75354, 77337, 79040, 79320, 84608, 85930, 88920, 94848, 95184, 100472, 103116, 105760, 109440, 113031, 118560, 118980, 125590, 126912, 128895, 137488, 142272, 149760, 150708, 154674, 158080, 158640, 163267, 169216, 171860, 177840, 188385, 189696, 190368, 200944, 206232, 211520, 218880, 226062, 237120, 237960, 251180, 253824, 257790, 274976, 284544, 301416, 309348, 316160, 317280, 326534, 343720, 355680, 376770, 380736, 386685, 401888, 412464, 423040, 452124, 474240, 475920, 489801, 502360, 507648, 515580, 549952, 565155, 569088, 602832, 618696, 634560, 653068, 687440, 711360, 753540, 761472, 773370, 803776, 816335, 824928, 846080, 904248, 948480, 951840, 979602, 1004720, 1031160, 1099904, 1130310, 1205664, 1237392, 1269120, 1306136, 1374880, 1422720, 1469403, 1507080, 1522944, 1546740, 1607552, 1632670, 1649856, 1808496, 1903680, 1959204, 2009440, 2062320, 2199808, 2260620, 2411328, 2449005, 2474784, 2538240, 2612272, 2749760, 2845440, 2938806, 3014160, 3093480, 3215104, 3265340, 3299712, 3616992, 3807360, 3918408, 4018880, 4124640, 4521240, 4822656, 4898010, 4949568, 5224544, 5499520, 5877612, 6028320, 6186960, 6530680, 6599424, 7233984, 7347015, 7614720, 7836816, 8037760, 8249280, 9042480, 9645312, 9796020, 9899136, 10449088, 10999040, 11755224, 12056640, 12373920, 13061360, 14467968, 14694030, 15673632, 16075520, 16498560, 18084960, 19592040, 19798272, 20898176, 23510448, 24113280, 24747840, 26122720, 28935936, 29388060, 31347264, 32997120, 36169920, 39184080, 41796352, 47020896, 48226560, 49495680, 52245440, 58776120, 62694528, 72339840, 78368160, 94041792, 98991360, 104490880, 117552240, 125389056, 144679680, 156736320, 188083584, 208981760, 235104480, 313472640, 376167168, 470208960, 626945280, 940417920, 1880835840]

約数ペア:

[(1, 1880835840), (2, 940417920), (3, 626945280), (4, 470208960), (5, 376167168), (6, 313472640), (8, 235104480), (9, 208981760), (10, 188083584), (12, 156736320), (13, 144679680), (15, 125389056), (16, 117552240), (18, 104490880), (19, 98991360), (20, 94041792), (24, 78368160), (26, 72339840), (30, 62694528), (32, 58776120), (36, 52245440), (38, 49495680), (39, 48226560), (40, 47020896), (45, 41796352), (48, 39184080), (52, 36169920), (57, 32997120), (60, 31347264), (64, 29388060), (65, 28935936), (72, 26122720), (76, 24747840), (78, 24113280), (80, 23510448), (90, 20898176), (95, 19798272), (96, 19592040), (104, 18084960), (114, 16498560), (117, 16075520), (120, 15673632), (128, 14694030), (130, 14467968), (144, 13061360), (152, 12373920), (156, 12056640), (160, 11755224), (171, 10999040), (180, 10449088), (190, 9899136), (192, 9796020), (195, 9645312), (208, 9042480), (228, 8249280), (234, 8037760), (240, 7836816), (247, 7614720), (256, 7347015), (260, 7233984), (285, 6599424), (288, 6530680), (304, 6186960), (312, 6028320), (320, 5877612), (342, 5499520), (360, 5224544), (380, 4949568), (384, 4898010), (390, 4822656), (416, 4521240), (456, 4124640), (468, 4018880), (480, 3918408), (494, 3807360), (520, 3616992), (570, 3299712), (576, 3265340), (585, 3215104), (608, 3093480), (624, 3014160), (640, 2938806), (661, 2845440), (684, 2749760), (720, 2612272), (741, 2538240), (760, 2474784), (768, 2449005), (780, 2411328), (832, 2260620), (855, 2199808), (912, 2062320), (936, 2009440), (960, 1959204), (988, 1903680), (1040, 1808496), (1140, 1649856), (1152, 1632670), (1170, 1607552), (1216, 1546740), (1235, 1522944), (1248, 1507080), (1280, 1469403), (1322, 1422720), (1368, 1374880), (1440, 1306136), (1482, 1269120), (1520, 1237392), (1560, 1205664), (1664, 1130310), (1710, 1099904), (1824, 1031160), (1872, 1004720), (1920, 979602), (1976, 951840), (1983, 948480), (2080, 904248), (2223, 846080), (2280, 824928), (2304, 816335), (2340, 803776), (2432, 773370), (2470, 761472), (2496, 753540), (2644, 711360), (2736, 687440), (2880, 653068), (2964, 634560), (3040, 618696), (3120, 602832), (3305, 569088), (3328, 565155), (3420, 549952), (3648, 515580), (3705, 507648), (3744, 502360), (3840, 489801), (3952, 475920), (3966, 474240), (4160, 452124), (4446, 423040), (4560, 412464), (4680, 401888), (4864, 386685), (4940, 380736), (4992, 376770), (5288, 355680), (5472, 343720), (5760, 326534), (5928, 317280), (5949, 316160), (6080, 309348), (6240, 301416), (6610, 284544), (6840, 274976), (7296, 257790), (7410, 253824), (7488, 251180), (7904, 237960), (7932, 237120), (8320, 226062), (8593, 218880), (8892, 211520), (9120, 206232), (9360, 200944), (9880, 190368), (9915, 189696), (9984, 188385), (10576, 177840), (10944, 171860), (11115, 169216), (11520, 163267), (11856, 158640), (11898, 158080), (12160, 154674), (12480, 150708), (12559, 149760), (13220, 142272), (13680, 137488), (14592, 128895), (14820, 126912), (14976, 125590), (15808, 118980), (15864, 118560), (16640, 113031), (17186, 109440), (17784, 105760), (18240, 103116), (18720, 100472), (19760, 95184), (19830, 94848), (21152, 88920), (21888, 85930), (22230, 84608), (23712, 79320), (23796, 79040), (24320, 77337), (24960, 75354), (25118, 74880), (25779, 72960), (26440, 71136), (27360, 68744), (29640, 63456), (29745, 63232), (29952, 62795), (31616, 59490), (31728, 59280), (34372, 54720), (35568, 52880), (36480, 51558), (37440, 50236), (37677, 49920), (39520, 47592), (39660, 47424), (42304, 44460), (42965, 43776)]