81878760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2879}}^1$

素因数の和:2975

約数の個数: 96

約数和(自身を含む): 269568000

約数和(自身を除く): 187689240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 316, 360, 395, 474, 632, 711, 790, 948, 1185, 1422, 1580, 1896, 2370, 2844, 2879, 3160, 3555, 4740, 5688, 5758, 7110, 8637, 9480, 11516, 14220, 14395, 17274, 23032, 25911, 28440, 28790, 34548, 43185, 51822, 57580, 69096, 86370, 103644, 115160, 129555, 172740, 207288, 227441, 259110, 345480, 454882, 518220, 682323, 909764, 1036440, 1137205, 1364646, 1819528, 2046969, 2274410, 2729292, 3411615, 4093938, 4548820, 5458584, 6823230, 8187876, 9097640, 10234845, 13646460, 16375752, 20469690, 27292920, 40939380, 81878760]

約数ペア:

[(1, 81878760), (2, 40939380), (3, 27292920), (4, 20469690), (5, 16375752), (6, 13646460), (8, 10234845), (9, 9097640), (10, 8187876), (12, 6823230), (15, 5458584), (18, 4548820), (20, 4093938), (24, 3411615), (30, 2729292), (36, 2274410), (40, 2046969), (45, 1819528), (60, 1364646), (72, 1137205), (79, 1036440), (90, 909764), (120, 682323), (158, 518220), (180, 454882), (237, 345480), (316, 259110), (360, 227441), (395, 207288), (474, 172740), (632, 129555), (711, 115160), (790, 103644), (948, 86370), (1185, 69096), (1422, 57580), (1580, 51822), (1896, 43185), (2370, 34548), (2844, 28790), (2879, 28440), (3160, 25911), (3555, 23032), (4740, 17274), (5688, 14395), (5758, 14220), (7110, 11516), (8637, 9480)]