81966840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18461}}^1$

素因数の和:18512

約数の個数: 64

約数和(自身を含む): 252560160

約数和(自身を除く): 170593320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 18461, 36922, 55383, 73844, 92305, 110766, 147688, 184610, 221532, 276915, 369220, 443064, 553830, 683057, 738440, 1107660, 1366114, 2049171, 2215320, 2732228, 3415285, 4098342, 5464456, 6830570, 8196684, 10245855, 13661140, 16393368, 20491710, 27322280, 40983420, 81966840]

約数ペア:

[(1, 81966840), (2, 40983420), (3, 27322280), (4, 20491710), (5, 16393368), (6, 13661140), (8, 10245855), (10, 8196684), (12, 6830570), (15, 5464456), (20, 4098342), (24, 3415285), (30, 2732228), (37, 2215320), (40, 2049171), (60, 1366114), (74, 1107660), (111, 738440), (120, 683057), (148, 553830), (185, 443064), (222, 369220), (296, 276915), (370, 221532), (444, 184610), (555, 147688), (740, 110766), (888, 92305), (1110, 73844), (1480, 55383), (2220, 36922), (4440, 18461)]