27257680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 67852800

約数和(自身を除く): 40595120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 379, 464, 496, 580, 620, 758, 899, 1160, 1240, 1516, 1798, 1895, 2320, 2480, 3032, 3596, 3790, 4495, 6064, 7192, 7580, 8990, 10991, 11749, 14384, 15160, 17980, 21982, 23498, 30320, 35960, 43964, 46996, 54955, 58745, 71920, 87928, 93992, 109910, 117490, 175856, 187984, 219820, 234980, 340721, 439640, 469960, 681442, 879280, 939920, 1362884, 1703605, 2725768, 3407210, 5451536, 6814420, 13628840, 27257680]

約数ペア:

[(1, 27257680), (2, 13628840), (4, 6814420), (5, 5451536), (8, 3407210), (10, 2725768), (16, 1703605), (20, 1362884), (29, 939920), (31, 879280), (40, 681442), (58, 469960), (62, 439640), (80, 340721), (116, 234980), (124, 219820), (145, 187984), (155, 175856), (232, 117490), (248, 109910), (290, 93992), (310, 87928), (379, 71920), (464, 58745), (496, 54955), (580, 46996), (620, 43964), (758, 35960), (899, 30320), (1160, 23498), (1240, 21982), (1516, 17980), (1798, 15160), (1895, 14384), (2320, 11749), (2480, 10991), (3032, 8990), (3596, 7580), (3790, 7192), (4495, 6064)]