64811640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7607}}^1$

素因数の和:7692

約数の個数: 64

約数和(自身を含む): 197199360

約数和(自身を除く): 132387720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 7607, 8520, 15214, 22821, 30428, 38035, 45642, 60856, 76070, 91284, 114105, 152140, 182568, 228210, 304280, 456420, 540097, 912840, 1080194, 1620291, 2160388, 2700485, 3240582, 4320776, 5400970, 6481164, 8101455, 10801940, 12962328, 16202910, 21603880, 32405820, 64811640]

約数ペア:

[(1, 64811640), (2, 32405820), (3, 21603880), (4, 16202910), (5, 12962328), (6, 10801940), (8, 8101455), (10, 6481164), (12, 5400970), (15, 4320776), (20, 3240582), (24, 2700485), (30, 2160388), (40, 1620291), (60, 1080194), (71, 912840), (120, 540097), (142, 456420), (213, 304280), (284, 228210), (355, 182568), (426, 152140), (568, 114105), (710, 91284), (852, 76070), (1065, 60856), (1420, 45642), (1704, 38035), (2130, 30428), (2840, 22821), (4260, 15214), (7607, 8520)]