79742320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1087}}^1$

素因数の和:1238

約数の個数: 80

約数和(自身を含む): 213700608

約数和(自身を除く): 133958288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1087, 1310, 1834, 2096, 2174, 2620, 3668, 4348, 4585, 5240, 5435, 7336, 7609, 8696, 9170, 10480, 10870, 14672, 15218, 17392, 18340, 21740, 30436, 36680, 38045, 43480, 60872, 73360, 76090, 86960, 121744, 142397, 152180, 284794, 304360, 569588, 608720, 711985, 996779, 1139176, 1423970, 1993558, 2278352, 2847940, 3987116, 4983895, 5695880, 7974232, 9967790, 11391760, 15948464, 19935580, 39871160, 79742320]

約数ペア:

[(1, 79742320), (2, 39871160), (4, 19935580), (5, 15948464), (7, 11391760), (8, 9967790), (10, 7974232), (14, 5695880), (16, 4983895), (20, 3987116), (28, 2847940), (35, 2278352), (40, 1993558), (56, 1423970), (70, 1139176), (80, 996779), (112, 711985), (131, 608720), (140, 569588), (262, 304360), (280, 284794), (524, 152180), (560, 142397), (655, 121744), (917, 86960), (1048, 76090), (1087, 73360), (1310, 60872), (1834, 43480), (2096, 38045), (2174, 36680), (2620, 30436), (3668, 21740), (4348, 18340), (4585, 17392), (5240, 15218), (5435, 14672), (7336, 10870), (7609, 10480), (8696, 9170)]