81253080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2857}}^1$

素因数の和:2953

約数の個数: 96

約数和(自身を含む): 267508800

約数和(自身を除く): 186255720

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, 2857, 3160, 3555, 4740, 5688, 5714, 7110, 8571, 9480, 11428, 14220, 14285, 17142, 22856, 25713, 28440, 28570, 34284, 42855, 51426, 57140, 68568, 85710, 102852, 114280, 128565, 171420, 205704, 225703, 257130, 342840, 451406, 514260, 677109, 902812, 1028520, 1128515, 1354218, 1805624, 2031327, 2257030, 2708436, 3385545, 4062654, 4514060, 5416872, 6771090, 8125308, 9028120, 10156635, 13542180, 16250616, 20313270, 27084360, 40626540, 81253080]

約数ペア:

[(1, 81253080), (2, 40626540), (3, 27084360), (4, 20313270), (5, 16250616), (6, 13542180), (8, 10156635), (9, 9028120), (10, 8125308), (12, 6771090), (15, 5416872), (18, 4514060), (20, 4062654), (24, 3385545), (30, 2708436), (36, 2257030), (40, 2031327), (45, 1805624), (60, 1354218), (72, 1128515), (79, 1028520), (90, 902812), (120, 677109), (158, 514260), (180, 451406), (237, 342840), (316, 257130), (360, 225703), (395, 205704), (474, 171420), (632, 128565), (711, 114280), (790, 102852), (948, 85710), (1185, 68568), (1422, 57140), (1580, 51426), (1896, 42855), (2370, 34284), (2844, 28570), (2857, 28440), (3160, 25713), (3555, 22856), (4740, 17142), (5688, 14285), (5714, 14220), (7110, 11428), (8571, 9480)]