81238170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3109}}^1$

素因数の和:3199

約数の個数: 64

約数和(自身を含む): 213171840

約数和(自身を除く): 131933670

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 67, 78, 130, 134, 195, 201, 335, 390, 402, 670, 871, 1005, 1742, 2010, 2613, 3109, 4355, 5226, 6218, 8710, 9327, 13065, 15545, 18654, 26130, 31090, 40417, 46635, 80834, 93270, 121251, 202085, 208303, 242502, 404170, 416606, 606255, 624909, 1041515, 1212510, 1249818, 2083030, 2707939, 3124545, 5415878, 6249090, 8123817, 13539695, 16247634, 27079390, 40619085, 81238170]

約数ペア:

[(1, 81238170), (2, 40619085), (3, 27079390), (5, 16247634), (6, 13539695), (10, 8123817), (13, 6249090), (15, 5415878), (26, 3124545), (30, 2707939), (39, 2083030), (65, 1249818), (67, 1212510), (78, 1041515), (130, 624909), (134, 606255), (195, 416606), (201, 404170), (335, 242502), (390, 208303), (402, 202085), (670, 121251), (871, 93270), (1005, 80834), (1742, 46635), (2010, 40417), (2613, 31090), (3109, 26130), (4355, 18654), (5226, 15545), (6218, 13065), (8710, 9327)]