64217720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12071}}^1$

素因数の和:12108

約数の個数: 64

約数和(自身を含む): 173836800

約数和(自身を除く): 109619080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 12071, 24142, 48284, 60355, 84497, 96568, 120710, 168994, 229349, 241420, 337988, 422485, 458698, 482840, 675976, 844970, 917396, 1146745, 1605443, 1689940, 1834792, 2293490, 3210886, 3379880, 4586980, 6421772, 8027215, 9173960, 12843544, 16054430, 32108860, 64217720]

約数ペア:

[(1, 64217720), (2, 32108860), (4, 16054430), (5, 12843544), (7, 9173960), (8, 8027215), (10, 6421772), (14, 4586980), (19, 3379880), (20, 3210886), (28, 2293490), (35, 1834792), (38, 1689940), (40, 1605443), (56, 1146745), (70, 917396), (76, 844970), (95, 675976), (133, 482840), (140, 458698), (152, 422485), (190, 337988), (266, 241420), (280, 229349), (380, 168994), (532, 120710), (665, 96568), (760, 84497), (1064, 60355), (1330, 48284), (2660, 24142), (5320, 12071)]