2687720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 7171200

約数和(自身を除く): 4483480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 331, 406, 580, 662, 812, 1015, 1160, 1324, 1624, 1655, 2030, 2317, 2648, 3310, 4060, 4634, 6620, 8120, 9268, 9599, 11585, 13240, 18536, 19198, 23170, 38396, 46340, 47995, 67193, 76792, 92680, 95990, 134386, 191980, 268772, 335965, 383960, 537544, 671930, 1343860, 2687720]

約数ペア:

[(1, 2687720), (2, 1343860), (4, 671930), (5, 537544), (7, 383960), (8, 335965), (10, 268772), (14, 191980), (20, 134386), (28, 95990), (29, 92680), (35, 76792), (40, 67193), (56, 47995), (58, 46340), (70, 38396), (116, 23170), (140, 19198), (145, 18536), (203, 13240), (232, 11585), (280, 9599), (290, 9268), (331, 8120), (406, 6620), (580, 4634), (662, 4060), (812, 3310), (1015, 2648), (1160, 2317), (1324, 2030), (1624, 1655)]