127759840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 327680640

約数和(自身を除く): 199920800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 239, 257, 260, 416, 478, 514, 520, 956, 1028, 1040, 1195, 1285, 1912, 2056, 2080, 2390, 2570, 3107, 3341, 3824, 4112, 4780, 5140, 6214, 6682, 7648, 8224, 9560, 10280, 12428, 13364, 15535, 16705, 19120, 20560, 24856, 26728, 31070, 33410, 38240, 41120, 49712, 53456, 61423, 62140, 66820, 99424, 106912, 122846, 124280, 133640, 245692, 248560, 267280, 307115, 491384, 497120, 534560, 614230, 798499, 982768, 1228460, 1596998, 1965536, 2456920, 3193996, 3992495, 4913840, 6387992, 7984990, 9827680, 12775984, 15969980, 25551968, 31939960, 63879920, 127759840]

約数ペア:

[(1, 127759840), (2, 63879920), (4, 31939960), (5, 25551968), (8, 15969980), (10, 12775984), (13, 9827680), (16, 7984990), (20, 6387992), (26, 4913840), (32, 3992495), (40, 3193996), (52, 2456920), (65, 1965536), (80, 1596998), (104, 1228460), (130, 982768), (160, 798499), (208, 614230), (239, 534560), (257, 497120), (260, 491384), (416, 307115), (478, 267280), (514, 248560), (520, 245692), (956, 133640), (1028, 124280), (1040, 122846), (1195, 106912), (1285, 99424), (1912, 66820), (2056, 62140), (2080, 61423), (2390, 53456), (2570, 49712), (3107, 41120), (3341, 38240), (3824, 33410), (4112, 31070), (4780, 26728), (5140, 24856), (6214, 20560), (6682, 19120), (7648, 16705), (8224, 15535), (9560, 13364), (10280, 12428)]