78741840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4621}}^1$

素因数の和:4708

約数の個数: 80

約数和(自身を含む): 247591296

約数和(自身を除く): 168849456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 2130, 2840, 3408, 4260, 4621, 5680, 8520, 9242, 13863, 17040, 18484, 23105, 27726, 36968, 46210, 55452, 69315, 73936, 92420, 110904, 138630, 184840, 221808, 277260, 328091, 369680, 554520, 656182, 984273, 1109040, 1312364, 1640455, 1968546, 2624728, 3280910, 3937092, 4921365, 5249456, 6561820, 7874184, 9842730, 13123640, 15748368, 19685460, 26247280, 39370920, 78741840]

約数ペア:

[(1, 78741840), (2, 39370920), (3, 26247280), (4, 19685460), (5, 15748368), (6, 13123640), (8, 9842730), (10, 7874184), (12, 6561820), (15, 5249456), (16, 4921365), (20, 3937092), (24, 3280910), (30, 2624728), (40, 1968546), (48, 1640455), (60, 1312364), (71, 1109040), (80, 984273), (120, 656182), (142, 554520), (213, 369680), (240, 328091), (284, 277260), (355, 221808), (426, 184840), (568, 138630), (710, 110904), (852, 92420), (1065, 73936), (1136, 69315), (1420, 55452), (1704, 46210), (2130, 36968), (2840, 27726), (3408, 23105), (4260, 18484), (4621, 17040), (5680, 13863), (8520, 9242)]