64259260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^2\times {\mathrm{71}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 149911776

約数和(自身を除く): 85652516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 71, 118, 130, 142, 236, 260, 284, 295, 355, 590, 710, 767, 923, 1180, 1420, 1534, 1846, 3068, 3481, 3692, 3835, 4189, 4615, 6962, 7670, 8378, 9230, 13924, 15340, 16756, 17405, 18460, 20945, 34810, 41890, 45253, 54457, 69620, 83780, 90506, 108914, 181012, 217828, 226265, 247151, 272285, 452530, 494302, 544570, 905060, 988604, 1089140, 1235755, 2471510, 3212963, 4943020, 6425926, 12851852, 16064815, 32129630, 64259260]

約数ペア:

[(1, 64259260), (2, 32129630), (4, 16064815), (5, 12851852), (10, 6425926), (13, 4943020), (20, 3212963), (26, 2471510), (52, 1235755), (59, 1089140), (65, 988604), (71, 905060), (118, 544570), (130, 494302), (142, 452530), (236, 272285), (260, 247151), (284, 226265), (295, 217828), (355, 181012), (590, 108914), (710, 90506), (767, 83780), (923, 69620), (1180, 54457), (1420, 45253), (1534, 41890), (1846, 34810), (3068, 20945), (3481, 18460), (3692, 17405), (3835, 16756), (4189, 15340), (4615, 13924), (6962, 9230), (7670, 8378)]