261334320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83761}}^1$

素因数の和:83790

約数の個数: 80

約数和(自身を含む): 872464992

約数和(自身を除く): 611130672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 83761, 167522, 251283, 335044, 418805, 502566, 670088, 837610, 1005132, 1088893, 1256415, 1340176, 1675220, 2010264, 2177786, 2512830, 3266679, 3350440, 4020528, 4355572, 5025660, 5444465, 6533358, 6700880, 8711144, 10051320, 10888930, 13066716, 16333395, 17422288, 20102640, 21777860, 26133432, 32666790, 43555720, 52266864, 65333580, 87111440, 130667160, 261334320]

約数ペア:

[(1, 261334320), (2, 130667160), (3, 87111440), (4, 65333580), (5, 52266864), (6, 43555720), (8, 32666790), (10, 26133432), (12, 21777860), (13, 20102640), (15, 17422288), (16, 16333395), (20, 13066716), (24, 10888930), (26, 10051320), (30, 8711144), (39, 6700880), (40, 6533358), (48, 5444465), (52, 5025660), (60, 4355572), (65, 4020528), (78, 3350440), (80, 3266679), (104, 2512830), (120, 2177786), (130, 2010264), (156, 1675220), (195, 1340176), (208, 1256415), (240, 1088893), (260, 1005132), (312, 837610), (390, 670088), (520, 502566), (624, 418805), (780, 335044), (1040, 251283), (1560, 167522), (3120, 83761)]