156789881320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1583}}^1\times {\mathrm{66923}}^1$

素因数の和:68554

約数の個数: 64

約数和(自身を含む): 362546046720

約数和(自身を除く): 205756165400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 1583, 3166, 6332, 7915, 12664, 15830, 31660, 58571, 63320, 66923, 117142, 133846, 234284, 267692, 292855, 334615, 468568, 535384, 585710, 669230, 1171420, 1338460, 2342840, 2476151, 2676920, 4952302, 9904604, 12380755, 19809208, 24761510, 49523020, 99046040, 105939109, 211878218, 423756436, 529695545, 847512872, 1059391090, 2118782180, 3919747033, 4237564360, 7839494066, 15678988132, 19598735165, 31357976264, 39197470330, 78394940660, 156789881320]

約数ペア:

[(1, 156789881320), (2, 78394940660), (4, 39197470330), (5, 31357976264), (8, 19598735165), (10, 15678988132), (20, 7839494066), (37, 4237564360), (40, 3919747033), (74, 2118782180), (148, 1059391090), (185, 847512872), (296, 529695545), (370, 423756436), (740, 211878218), (1480, 105939109), (1583, 99046040), (3166, 49523020), (6332, 24761510), (7915, 19809208), (12664, 12380755), (15830, 9904604), (31660, 4952302), (58571, 2676920), (63320, 2476151), (66923, 2342840), (117142, 1338460), (133846, 1171420), (234284, 669230), (267692, 585710), (292855, 535384), (334615, 468568)]