210854520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1999}}^1$

素因数の和:2309

約数の個数: 96

約数和(自身を含む): 687960000

約数和(自身を除く): 477105480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 293, 360, 586, 879, 1172, 1465, 1758, 1999, 2344, 2637, 2930, 3516, 3998, 4395, 5274, 5860, 5997, 7032, 7996, 8790, 9995, 10548, 11720, 11994, 13185, 15992, 17580, 17991, 19990, 21096, 23988, 26370, 29985, 35160, 35982, 39980, 47976, 52740, 59970, 71964, 79960, 89955, 105480, 119940, 143928, 179910, 239880, 359820, 585707, 719640, 1171414, 1757121, 2342828, 2928535, 3514242, 4685656, 5271363, 5857070, 7028484, 8785605, 10542726, 11714140, 14056968, 17571210, 21085452, 23428280, 26356815, 35142420, 42170904, 52713630, 70284840, 105427260, 210854520]

約数ペア:

[(1, 210854520), (2, 105427260), (3, 70284840), (4, 52713630), (5, 42170904), (6, 35142420), (8, 26356815), (9, 23428280), (10, 21085452), (12, 17571210), (15, 14056968), (18, 11714140), (20, 10542726), (24, 8785605), (30, 7028484), (36, 5857070), (40, 5271363), (45, 4685656), (60, 3514242), (72, 2928535), (90, 2342828), (120, 1757121), (180, 1171414), (293, 719640), (360, 585707), (586, 359820), (879, 239880), (1172, 179910), (1465, 143928), (1758, 119940), (1999, 105480), (2344, 89955), (2637, 79960), (2930, 71964), (3516, 59970), (3998, 52740), (4395, 47976), (5274, 39980), (5860, 35982), (5997, 35160), (7032, 29985), (7996, 26370), (8790, 23988), (9995, 21096), (10548, 19990), (11720, 17991), (11994, 17580), (13185, 15992)]