71660505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 136028160

約数和(自身を除く): 64367655

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 79, 105, 159, 163, 237, 265, 371, 395, 489, 553, 795, 815, 1113, 1141, 1185, 1659, 1855, 2445, 2765, 3423, 4187, 5565, 5705, 8295, 8639, 12561, 12877, 17115, 20935, 25917, 29309, 38631, 43195, 60473, 62805, 64385, 87927, 90139, 129585, 146545, 181419, 193155, 270417, 302365, 439635, 450695, 682481, 907095, 1352085, 2047443, 3412405, 4777367, 10237215, 14332101, 23886835, 71660505]

約数ペア:

[(1, 71660505), (3, 23886835), (5, 14332101), (7, 10237215), (15, 4777367), (21, 3412405), (35, 2047443), (53, 1352085), (79, 907095), (105, 682481), (159, 450695), (163, 439635), (237, 302365), (265, 270417), (371, 193155), (395, 181419), (489, 146545), (553, 129585), (795, 90139), (815, 87927), (1113, 64385), (1141, 62805), (1185, 60473), (1659, 43195), (1855, 38631), (2445, 29309), (2765, 25917), (3423, 20935), (4187, 17115), (5565, 12877), (5705, 12561), (8295, 8639)]