127906480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6473}}^1$

素因数の和:6518

約数の個数: 80

約数和(自身を含む): 337165920

約数和(自身を除く): 209259440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 6473, 9880, 12946, 19760, 25892, 32365, 51784, 64730, 84149, 103568, 122987, 129460, 168298, 245974, 258920, 336596, 420745, 491948, 517840, 614935, 673192, 841490, 983896, 1229870, 1346384, 1598831, 1682980, 1967792, 2459740, 3197662, 3365960, 4919480, 6395324, 6731920, 7994155, 9838960, 12790648, 15988310, 25581296, 31976620, 63953240, 127906480]

約数ペア:

[(1, 127906480), (2, 63953240), (4, 31976620), (5, 25581296), (8, 15988310), (10, 12790648), (13, 9838960), (16, 7994155), (19, 6731920), (20, 6395324), (26, 4919480), (38, 3365960), (40, 3197662), (52, 2459740), (65, 1967792), (76, 1682980), (80, 1598831), (95, 1346384), (104, 1229870), (130, 983896), (152, 841490), (190, 673192), (208, 614935), (247, 517840), (260, 491948), (304, 420745), (380, 336596), (494, 258920), (520, 245974), (760, 168298), (988, 129460), (1040, 122987), (1235, 103568), (1520, 84149), (1976, 64730), (2470, 51784), (3952, 32365), (4940, 25892), (6473, 19760), (9880, 12946)]