266937280

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:498

約数の個数: 112

約数和(自身を含む): 667146240

約数和(自身を除く): 400208960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 142, 155, 160, 248, 284, 310, 320, 355, 379, 496, 568, 620, 710, 758, 992, 1136, 1240, 1420, 1516, 1895, 1984, 2201, 2272, 2480, 2840, 3032, 3790, 4402, 4544, 4960, 5680, 6064, 7580, 8804, 9920, 11005, 11360, 11749, 12128, 15160, 17608, 22010, 22720, 23498, 24256, 26909, 30320, 35216, 44020, 46996, 53818, 58745, 60640, 70432, 88040, 93992, 107636, 117490, 121280, 134545, 140864, 176080, 187984, 215272, 234980, 269090, 352160, 375968, 430544, 469960, 538180, 704320, 751936, 834179, 861088, 939920, 1076360, 1668358, 1722176, 1879840, 2152720, 3336716, 3759680, 4170895, 4305440, 6673432, 8341790, 8610880, 13346864, 16683580, 26693728, 33367160, 53387456, 66734320, 133468640, 266937280]

約数ペア:

[(1, 266937280), (2, 133468640), (4, 66734320), (5, 53387456), (8, 33367160), (10, 26693728), (16, 16683580), (20, 13346864), (31, 8610880), (32, 8341790), (40, 6673432), (62, 4305440), (64, 4170895), (71, 3759680), (80, 3336716), (124, 2152720), (142, 1879840), (155, 1722176), (160, 1668358), (248, 1076360), (284, 939920), (310, 861088), (320, 834179), (355, 751936), (379, 704320), (496, 538180), (568, 469960), (620, 430544), (710, 375968), (758, 352160), (992, 269090), (1136, 234980), (1240, 215272), (1420, 187984), (1516, 176080), (1895, 140864), (1984, 134545), (2201, 121280), (2272, 117490), (2480, 107636), (2840, 93992), (3032, 88040), (3790, 70432), (4402, 60640), (4544, 58745), (4960, 53818), (5680, 46996), (6064, 44020), (7580, 35216), (8804, 30320), (9920, 26909), (11005, 24256), (11360, 23498), (11749, 22720), (12128, 22010), (15160, 17608)]