72016720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 175703040

約数和(自身を除く): 103686320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 310, 355, 409, 496, 568, 620, 710, 818, 1136, 1240, 1420, 1636, 2045, 2201, 2480, 2840, 3272, 4090, 4402, 5680, 6544, 8180, 8804, 11005, 12679, 16360, 17608, 22010, 25358, 29039, 32720, 35216, 44020, 50716, 58078, 63395, 88040, 101432, 116156, 126790, 145195, 176080, 202864, 232312, 253580, 290390, 464624, 507160, 580780, 900209, 1014320, 1161560, 1800418, 2323120, 3600836, 4501045, 7201672, 9002090, 14403344, 18004180, 36008360, 72016720]

約数ペア:

[(1, 72016720), (2, 36008360), (4, 18004180), (5, 14403344), (8, 9002090), (10, 7201672), (16, 4501045), (20, 3600836), (31, 2323120), (40, 1800418), (62, 1161560), (71, 1014320), (80, 900209), (124, 580780), (142, 507160), (155, 464624), (248, 290390), (284, 253580), (310, 232312), (355, 202864), (409, 176080), (496, 145195), (568, 126790), (620, 116156), (710, 101432), (818, 88040), (1136, 63395), (1240, 58078), (1420, 50716), (1636, 44020), (2045, 35216), (2201, 32720), (2480, 29039), (2840, 25358), (3272, 22010), (4090, 17608), (4402, 16360), (5680, 12679), (6544, 11005), (8180, 8804)]