66734320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 162846720

約数和(自身を除く): 96112400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 310, 355, 379, 496, 568, 620, 710, 758, 1136, 1240, 1420, 1516, 1895, 2201, 2480, 2840, 3032, 3790, 4402, 5680, 6064, 7580, 8804, 11005, 11749, 15160, 17608, 22010, 23498, 26909, 30320, 35216, 44020, 46996, 53818, 58745, 88040, 93992, 107636, 117490, 134545, 176080, 187984, 215272, 234980, 269090, 430544, 469960, 538180, 834179, 939920, 1076360, 1668358, 2152720, 3336716, 4170895, 6673432, 8341790, 13346864, 16683580, 33367160, 66734320]

約数ペア:

[(1, 66734320), (2, 33367160), (4, 16683580), (5, 13346864), (8, 8341790), (10, 6673432), (16, 4170895), (20, 3336716), (31, 2152720), (40, 1668358), (62, 1076360), (71, 939920), (80, 834179), (124, 538180), (142, 469960), (155, 430544), (248, 269090), (284, 234980), (310, 215272), (355, 187984), (379, 176080), (496, 134545), (568, 117490), (620, 107636), (710, 93992), (758, 88040), (1136, 58745), (1240, 53818), (1420, 46996), (1516, 44020), (1895, 35216), (2201, 30320), (2480, 26909), (2840, 23498), (3032, 22010), (3790, 17608), (4402, 15160), (5680, 11749), (6064, 11005), (7580, 8804)]