30556240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2671}}^1$

素因数の和:2708

約数の個数: 80

約数和(自身を含む): 83494656

約数和(自身を除く): 52938416

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2671, 2860, 5342, 5720, 10684, 11440, 13355, 21368, 26710, 29381, 34723, 42736, 53420, 58762, 69446, 106840, 117524, 138892, 146905, 173615, 213680, 235048, 277784, 293810, 347230, 381953, 470096, 555568, 587620, 694460, 763906, 1175240, 1388920, 1527812, 1909765, 2350480, 2777840, 3055624, 3819530, 6111248, 7639060, 15278120, 30556240]

約数ペア:

[(1, 30556240), (2, 15278120), (4, 7639060), (5, 6111248), (8, 3819530), (10, 3055624), (11, 2777840), (13, 2350480), (16, 1909765), (20, 1527812), (22, 1388920), (26, 1175240), (40, 763906), (44, 694460), (52, 587620), (55, 555568), (65, 470096), (80, 381953), (88, 347230), (104, 293810), (110, 277784), (130, 235048), (143, 213680), (176, 173615), (208, 146905), (220, 138892), (260, 117524), (286, 106840), (440, 69446), (520, 58762), (572, 53420), (715, 42736), (880, 34723), (1040, 29381), (1144, 26710), (1430, 21368), (2288, 13355), (2671, 11440), (2860, 10684), (5342, 5720)]