987689520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^2$

素因数の和:368

約数の個数: 180

約数和(自身を含む): 3388082256

約数和(自身を除く): 2400392736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 139, 142, 144, 180, 213, 240, 278, 284, 355, 360, 417, 426, 556, 568, 639, 695, 710, 720, 834, 852, 1065, 1112, 1136, 1251, 1278, 1390, 1420, 1668, 1704, 2085, 2130, 2224, 2502, 2556, 2780, 2840, 3195, 3336, 3408, 4170, 4260, 5004, 5112, 5560, 5680, 6255, 6390, 6672, 8340, 8520, 9869, 10008, 10224, 11120, 12510, 12780, 16680, 17040, 19321, 19738, 20016, 25020, 25560, 29607, 33360, 38642, 39476, 49345, 50040, 51120, 57963, 59214, 77284, 78952, 88821, 96605, 98690, 100080, 115926, 118428, 148035, 154568, 157904, 173889, 177642, 193210, 197380, 231852, 236856, 289815, 296070, 309136, 347778, 355284, 386420, 394760, 444105, 463704, 473712, 579630, 592140, 695556, 710568, 772840, 789520, 869445, 888210, 927408, 1159260, 1184280, 1371791, 1391112, 1421136, 1545680, 1738890, 1776420, 2318520, 2368560, 2743582, 2782224, 3477780, 3552840, 4115373, 4637040, 5487164, 6858955, 6955560, 7105680, 8230746, 10974328, 12346119, 13717910, 13911120, 16461492, 20576865, 21948656, 24692238, 27435820, 32922984, 41153730, 49384476, 54871640, 61730595, 65845968, 82307460, 98768952, 109743280, 123461190, 164614920, 197537904, 246922380, 329229840, 493844760, 987689520]

約数ペア:

[(1, 987689520), (2, 493844760), (3, 329229840), (4, 246922380), (5, 197537904), (6, 164614920), (8, 123461190), (9, 109743280), (10, 98768952), (12, 82307460), (15, 65845968), (16, 61730595), (18, 54871640), (20, 49384476), (24, 41153730), (30, 32922984), (36, 27435820), (40, 24692238), (45, 21948656), (48, 20576865), (60, 16461492), (71, 13911120), (72, 13717910), (80, 12346119), (90, 10974328), (120, 8230746), (139, 7105680), (142, 6955560), (144, 6858955), (180, 5487164), (213, 4637040), (240, 4115373), (278, 3552840), (284, 3477780), (355, 2782224), (360, 2743582), (417, 2368560), (426, 2318520), (556, 1776420), (568, 1738890), (639, 1545680), (695, 1421136), (710, 1391112), (720, 1371791), (834, 1184280), (852, 1159260), (1065, 927408), (1112, 888210), (1136, 869445), (1251, 789520), (1278, 772840), (1390, 710568), (1420, 695556), (1668, 592140), (1704, 579630), (2085, 473712), (2130, 463704), (2224, 444105), (2502, 394760), (2556, 386420), (2780, 355284), (2840, 347778), (3195, 309136), (3336, 296070), (3408, 289815), (4170, 236856), (4260, 231852), (5004, 197380), (5112, 193210), (5560, 177642), (5680, 173889), (6255, 157904), (6390, 154568), (6672, 148035), (8340, 118428), (8520, 115926), (9869, 100080), (10008, 98690), (10224, 96605), (11120, 88821), (12510, 78952), (12780, 77284), (16680, 59214), (17040, 57963), (19321, 51120), (19738, 50040), (20016, 49345), (25020, 39476), (25560, 38642), (29607, 33360)]