81783270

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3257}}^1$

素因数の和:3307

約数の個数: 80

約数和(自身を含む): 227069568

約数和(自身を除く): 145286298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 270, 279, 310, 405, 465, 558, 810, 837, 930, 1395, 1674, 2511, 2790, 3257, 4185, 5022, 6514, 8370, 9771, 12555, 16285, 19542, 25110, 29313, 32570, 48855, 58626, 87939, 97710, 100967, 146565, 175878, 201934, 263817, 293130, 302901, 439695, 504835, 527634, 605802, 879390, 908703, 1009670, 1319085, 1514505, 1817406, 2638170, 2726109, 3029010, 4543515, 5452218, 8178327, 9087030, 13630545, 16356654, 27261090, 40891635, 81783270]

約数ペア:

[(1, 81783270), (2, 40891635), (3, 27261090), (5, 16356654), (6, 13630545), (9, 9087030), (10, 8178327), (15, 5452218), (18, 4543515), (27, 3029010), (30, 2726109), (31, 2638170), (45, 1817406), (54, 1514505), (62, 1319085), (81, 1009670), (90, 908703), (93, 879390), (135, 605802), (155, 527634), (162, 504835), (186, 439695), (270, 302901), (279, 293130), (310, 263817), (405, 201934), (465, 175878), (558, 146565), (810, 100967), (837, 97710), (930, 87939), (1395, 58626), (1674, 48855), (2511, 32570), (2790, 29313), (3257, 25110), (4185, 19542), (5022, 16285), (6514, 12555), (8370, 9771)]