78531680

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 195084288

約数和(自身を除く): 116552608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 71, 80, 124, 142, 155, 160, 223, 248, 284, 310, 355, 446, 496, 568, 620, 710, 892, 992, 1115, 1136, 1240, 1420, 1784, 2201, 2230, 2272, 2480, 2840, 3568, 4402, 4460, 4960, 5680, 6913, 7136, 8804, 8920, 11005, 11360, 13826, 15833, 17608, 17840, 22010, 27652, 31666, 34565, 35216, 35680, 44020, 55304, 63332, 69130, 70432, 79165, 88040, 110608, 126664, 138260, 158330, 176080, 221216, 253328, 276520, 316660, 352160, 490823, 506656, 553040, 633320, 981646, 1106080, 1266640, 1963292, 2454115, 2533280, 3926584, 4908230, 7853168, 9816460, 15706336, 19632920, 39265840, 78531680]

約数ペア:

[(1, 78531680), (2, 39265840), (4, 19632920), (5, 15706336), (8, 9816460), (10, 7853168), (16, 4908230), (20, 3926584), (31, 2533280), (32, 2454115), (40, 1963292), (62, 1266640), (71, 1106080), (80, 981646), (124, 633320), (142, 553040), (155, 506656), (160, 490823), (223, 352160), (248, 316660), (284, 276520), (310, 253328), (355, 221216), (446, 176080), (496, 158330), (568, 138260), (620, 126664), (710, 110608), (892, 88040), (992, 79165), (1115, 70432), (1136, 69130), (1240, 63332), (1420, 55304), (1784, 44020), (2201, 35680), (2230, 35216), (2272, 34565), (2480, 31666), (2840, 27652), (3568, 22010), (4402, 17840), (4460, 17608), (4960, 15833), (5680, 13826), (6913, 11360), (7136, 11005), (8804, 8920)]