77512760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6481}}^1$

素因数の和:6528

約数の個数: 64

約数和(自身を含む): 196015680

約数和(自身を除く): 118502920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 6481, 11960, 12962, 25924, 32405, 51848, 64810, 84253, 129620, 149063, 168506, 259240, 298126, 337012, 421265, 596252, 674024, 745315, 842530, 1192504, 1490630, 1685060, 1937819, 2981260, 3370120, 3875638, 5962520, 7751276, 9689095, 15502552, 19378190, 38756380, 77512760]

約数ペア:

[(1, 77512760), (2, 38756380), (4, 19378190), (5, 15502552), (8, 9689095), (10, 7751276), (13, 5962520), (20, 3875638), (23, 3370120), (26, 2981260), (40, 1937819), (46, 1685060), (52, 1490630), (65, 1192504), (92, 842530), (104, 745315), (115, 674024), (130, 596252), (184, 421265), (230, 337012), (260, 298126), (299, 259240), (460, 168506), (520, 149063), (598, 129620), (920, 84253), (1196, 64810), (1495, 51848), (2392, 32405), (2990, 25924), (5980, 12962), (6481, 11960)]