27644240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1444

約数の個数: 80

約数和(自身を含む): 72912000

約数和(自身を除く): 45267760

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, 1399, 1520, 1976, 2470, 2798, 3952, 4940, 5596, 6995, 9880, 11192, 13990, 18187, 19760, 22384, 26581, 27980, 36374, 53162, 55960, 72748, 90935, 106324, 111920, 132905, 145496, 181870, 212648, 265810, 290992, 345553, 363740, 425296, 531620, 691106, 727480, 1063240, 1382212, 1454960, 1727765, 2126480, 2764424, 3455530, 5528848, 6911060, 13822120, 27644240]

約数ペア:

[(1, 27644240), (2, 13822120), (4, 6911060), (5, 5528848), (8, 3455530), (10, 2764424), (13, 2126480), (16, 1727765), (19, 1454960), (20, 1382212), (26, 1063240), (38, 727480), (40, 691106), (52, 531620), (65, 425296), (76, 363740), (80, 345553), (95, 290992), (104, 265810), (130, 212648), (152, 181870), (190, 145496), (208, 132905), (247, 111920), (260, 106324), (304, 90935), (380, 72748), (494, 55960), (520, 53162), (760, 36374), (988, 27980), (1040, 26581), (1235, 22384), (1399, 19760), (1520, 18187), (1976, 13990), (2470, 11192), (2798, 9880), (3952, 6995), (4940, 5596)]