127138960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2843}}^1$

素因数の和:2912

約数の個数: 80

約数和(自身を含む): 325854144

約数和(自身を除く): 198715184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2795, 2843, 3440, 4472, 5590, 5686, 8944, 11180, 11372, 14215, 22360, 22744, 28430, 36959, 44720, 45488, 56860, 73918, 113720, 122249, 147836, 184795, 227440, 244498, 295672, 369590, 488996, 591344, 611245, 739180, 977992, 1222490, 1478360, 1589237, 1955984, 2444980, 2956720, 3178474, 4889960, 6356948, 7946185, 9779920, 12713896, 15892370, 25427792, 31784740, 63569480, 127138960]

約数ペア:

[(1, 127138960), (2, 63569480), (4, 31784740), (5, 25427792), (8, 15892370), (10, 12713896), (13, 9779920), (16, 7946185), (20, 6356948), (26, 4889960), (40, 3178474), (43, 2956720), (52, 2444980), (65, 1955984), (80, 1589237), (86, 1478360), (104, 1222490), (130, 977992), (172, 739180), (208, 611245), (215, 591344), (260, 488996), (344, 369590), (430, 295672), (520, 244498), (559, 227440), (688, 184795), (860, 147836), (1040, 122249), (1118, 113720), (1720, 73918), (2236, 56860), (2795, 45488), (2843, 44720), (3440, 36959), (4472, 28430), (5590, 22744), (5686, 22360), (8944, 14215), (11180, 11372)]