1260256480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:322

約数の個数: 288

約数和(自身を含む): 3754175040

約数和(自身を除く): 2493918560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 32, 35, 40, 46, 49, 56, 58, 70, 80, 92, 98, 112, 115, 116, 140, 145, 160, 161, 184, 196, 203, 224, 230, 232, 241, 245, 280, 290, 322, 368, 392, 406, 460, 464, 482, 490, 560, 580, 644, 667, 736, 784, 805, 812, 920, 928, 964, 980, 1015, 1120, 1127, 1160, 1205, 1288, 1334, 1421, 1568, 1610, 1624, 1687, 1840, 1928, 1960, 2030, 2254, 2320, 2410, 2576, 2668, 2842, 3220, 3248, 3335, 3374, 3680, 3856, 3920, 4060, 4508, 4640, 4669, 4820, 5152, 5336, 5543, 5635, 5684, 6440, 6496, 6670, 6748, 6989, 7105, 7712, 7840, 8120, 8435, 9016, 9338, 9640, 10672, 11086, 11270, 11368, 11809, 12880, 13340, 13496, 13978, 14210, 16240, 16870, 18032, 18676, 19280, 21344, 22172, 22540, 22736, 23345, 23618, 25760, 26680, 26992, 27715, 27956, 28420, 32480, 32683, 33740, 34945, 36064, 37352, 38560, 38801, 44344, 45080, 45472, 46690, 47236, 48923, 53360, 53984, 55430, 55912, 56840, 59045, 65366, 67480, 69890, 74704, 77602, 88688, 90160, 93380, 94472, 97846, 106720, 110860, 111824, 113680, 118090, 130732, 134960, 139780, 149408, 155204, 160747, 163415, 177376, 180320, 186760, 188944, 194005, 195692, 221720, 223648, 227360, 236180, 244615, 261464, 269920, 271607, 279560, 310408, 321494, 326830, 342461, 373520, 377888, 388010, 391384, 443440, 472360, 489230, 522928, 543214, 559120, 620816, 642988, 653660, 684922, 747040, 776020, 782768, 803735, 886880, 944720, 978460, 1045856, 1086428, 1118240, 1125229, 1241632, 1285976, 1307320, 1358035, 1369844, 1552040, 1565536, 1607470, 1712305, 1889440, 1956920, 2172856, 2250458, 2571952, 2614640, 2716070, 2739688, 3104080, 3214940, 3424610, 3913840, 4345712, 4500916, 5143904, 5229280, 5432140, 5479376, 5626145, 6208160, 6429880, 6849220, 7827680, 7876603, 8691424, 9001832, 10864280, 10958752, 11252290, 12859760, 13698440, 15753206, 18003664, 21728560, 22504580, 25719520, 27396880, 31506412, 36007328, 39383015, 43457120, 45009160, 54793760, 63012824, 78766030, 90018320, 126025648, 157532060, 180036640, 252051296, 315064120, 630128240, 1260256480]

約数ペア:

[(1, 1260256480), (2, 630128240), (4, 315064120), (5, 252051296), (7, 180036640), (8, 157532060), (10, 126025648), (14, 90018320), (16, 78766030), (20, 63012824), (23, 54793760), (28, 45009160), (29, 43457120), (32, 39383015), (35, 36007328), (40, 31506412), (46, 27396880), (49, 25719520), (56, 22504580), (58, 21728560), (70, 18003664), (80, 15753206), (92, 13698440), (98, 12859760), (112, 11252290), (115, 10958752), (116, 10864280), (140, 9001832), (145, 8691424), (160, 7876603), (161, 7827680), (184, 6849220), (196, 6429880), (203, 6208160), (224, 5626145), (230, 5479376), (232, 5432140), (241, 5229280), (245, 5143904), (280, 4500916), (290, 4345712), (322, 3913840), (368, 3424610), (392, 3214940), (406, 3104080), (460, 2739688), (464, 2716070), (482, 2614640), (490, 2571952), (560, 2250458), (580, 2172856), (644, 1956920), (667, 1889440), (736, 1712305), (784, 1607470), (805, 1565536), (812, 1552040), (920, 1369844), (928, 1358035), (964, 1307320), (980, 1285976), (1015, 1241632), (1120, 1125229), (1127, 1118240), (1160, 1086428), (1205, 1045856), (1288, 978460), (1334, 944720), (1421, 886880), (1568, 803735), (1610, 782768), (1624, 776020), (1687, 747040), (1840, 684922), (1928, 653660), (1960, 642988), (2030, 620816), (2254, 559120), (2320, 543214), (2410, 522928), (2576, 489230), (2668, 472360), (2842, 443440), (3220, 391384), (3248, 388010), (3335, 377888), (3374, 373520), (3680, 342461), (3856, 326830), (3920, 321494), (4060, 310408), (4508, 279560), (4640, 271607), (4669, 269920), (4820, 261464), (5152, 244615), (5336, 236180), (5543, 227360), (5635, 223648), (5684, 221720), (6440, 195692), (6496, 194005), (6670, 188944), (6748, 186760), (6989, 180320), (7105, 177376), (7712, 163415), (7840, 160747), (8120, 155204), (8435, 149408), (9016, 139780), (9338, 134960), (9640, 130732), (10672, 118090), (11086, 113680), (11270, 111824), (11368, 110860), (11809, 106720), (12880, 97846), (13340, 94472), (13496, 93380), (13978, 90160), (14210, 88688), (16240, 77602), (16870, 74704), (18032, 69890), (18676, 67480), (19280, 65366), (21344, 59045), (22172, 56840), (22540, 55912), (22736, 55430), (23345, 53984), (23618, 53360), (25760, 48923), (26680, 47236), (26992, 46690), (27715, 45472), (27956, 45080), (28420, 44344), (32480, 38801), (32683, 38560), (33740, 37352), (34945, 36064)]