72521280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1$

素因数の和:198

約数の個数: 252

約数和(自身を含む): 271919700

約数和(自身を除く): 199398420

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 149, 156, 160, 169, 180, 192, 195, 208, 234, 240, 260, 288, 298, 312, 320, 338, 360, 390, 416, 447, 468, 480, 507, 520, 576, 585, 596, 624, 676, 720, 745, 780, 832, 845, 894, 936, 960, 1014, 1040, 1170, 1192, 1248, 1341, 1352, 1440, 1490, 1521, 1560, 1690, 1788, 1872, 1937, 2028, 2080, 2235, 2340, 2384, 2496, 2535, 2682, 2704, 2880, 2980, 3042, 3120, 3380, 3576, 3744, 3874, 4056, 4160, 4470, 4680, 4768, 5070, 5364, 5408, 5811, 5960, 6084, 6240, 6705, 6760, 7152, 7488, 7605, 7748, 8112, 8940, 9360, 9536, 9685, 10140, 10728, 10816, 11622, 11920, 12168, 12480, 13410, 13520, 14304, 15210, 15496, 16224, 17433, 17880, 18720, 19370, 20280, 21456, 23244, 23840, 24336, 25181, 26820, 27040, 28608, 29055, 30420, 30992, 32448, 34866, 35760, 37440, 38740, 40560, 42912, 46488, 47680, 48672, 50362, 53640, 54080, 58110, 60840, 61984, 69732, 71520, 75543, 77480, 81120, 85824, 87165, 92976, 97344, 100724, 107280, 116220, 121680, 123968, 125905, 139464, 143040, 151086, 154960, 162240, 174330, 185952, 201448, 214560, 226629, 232440, 243360, 251810, 278928, 302172, 309920, 348660, 371904, 377715, 402896, 429120, 453258, 464880, 486720, 503620, 557856, 604344, 619840, 697320, 755430, 805792, 906516, 929760, 1007240, 1115712, 1133145, 1208688, 1394640, 1510860, 1611584, 1813032, 1859520, 2014480, 2266290, 2417376, 2789280, 3021720, 3626064, 4028960, 4532580, 4834752, 5578560, 6043440, 7252128, 8057920, 9065160, 12086880, 14504256, 18130320, 24173760, 36260640, 72521280]

約数ペア:

[(1, 72521280), (2, 36260640), (3, 24173760), (4, 18130320), (5, 14504256), (6, 12086880), (8, 9065160), (9, 8057920), (10, 7252128), (12, 6043440), (13, 5578560), (15, 4834752), (16, 4532580), (18, 4028960), (20, 3626064), (24, 3021720), (26, 2789280), (30, 2417376), (32, 2266290), (36, 2014480), (39, 1859520), (40, 1813032), (45, 1611584), (48, 1510860), (52, 1394640), (60, 1208688), (64, 1133145), (65, 1115712), (72, 1007240), (78, 929760), (80, 906516), (90, 805792), (96, 755430), (104, 697320), (117, 619840), (120, 604344), (130, 557856), (144, 503620), (149, 486720), (156, 464880), (160, 453258), (169, 429120), (180, 402896), (192, 377715), (195, 371904), (208, 348660), (234, 309920), (240, 302172), (260, 278928), (288, 251810), (298, 243360), (312, 232440), (320, 226629), (338, 214560), (360, 201448), (390, 185952), (416, 174330), (447, 162240), (468, 154960), (480, 151086), (507, 143040), (520, 139464), (576, 125905), (585, 123968), (596, 121680), (624, 116220), (676, 107280), (720, 100724), (745, 97344), (780, 92976), (832, 87165), (845, 85824), (894, 81120), (936, 77480), (960, 75543), (1014, 71520), (1040, 69732), (1170, 61984), (1192, 60840), (1248, 58110), (1341, 54080), (1352, 53640), (1440, 50362), (1490, 48672), (1521, 47680), (1560, 46488), (1690, 42912), (1788, 40560), (1872, 38740), (1937, 37440), (2028, 35760), (2080, 34866), (2235, 32448), (2340, 30992), (2384, 30420), (2496, 29055), (2535, 28608), (2682, 27040), (2704, 26820), (2880, 25181), (2980, 24336), (3042, 23840), (3120, 23244), (3380, 21456), (3576, 20280), (3744, 19370), (3874, 18720), (4056, 17880), (4160, 17433), (4470, 16224), (4680, 15496), (4768, 15210), (5070, 14304), (5364, 13520), (5408, 13410), (5811, 12480), (5960, 12168), (6084, 11920), (6240, 11622), (6705, 10816), (6760, 10728), (7152, 10140), (7488, 9685), (7605, 9536), (7748, 9360), (8112, 8940)]