320137540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{15959}}^1$

素因数の和:16044

約数の個数: 48

約数和(自身を含む): 723945600

約数和(自身を除く): 403808060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 590, 1003, 1180, 2006, 4012, 5015, 10030, 15959, 20060, 31918, 63836, 79795, 159590, 271303, 319180, 542606, 941581, 1085212, 1356515, 1883162, 2713030, 3766324, 4707905, 5426060, 9415810, 16006877, 18831620, 32013754, 64027508, 80034385, 160068770, 320137540]

約数ペア:

[(1, 320137540), (2, 160068770), (4, 80034385), (5, 64027508), (10, 32013754), (17, 18831620), (20, 16006877), (34, 9415810), (59, 5426060), (68, 4707905), (85, 3766324), (118, 2713030), (170, 1883162), (236, 1356515), (295, 1085212), (340, 941581), (590, 542606), (1003, 319180), (1180, 271303), (2006, 159590), (4012, 79795), (5015, 63836), (10030, 31918), (15959, 20060)]