1285221870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1583}}^1$

素因数の和:1727

約数の個数: 128

約数和(自身を含む): 3576545280

約数和(自身を除く): 2291323410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 97, 135, 155, 186, 194, 270, 279, 291, 310, 465, 485, 558, 582, 837, 873, 930, 970, 1395, 1455, 1583, 1674, 1746, 2619, 2790, 2910, 3007, 3166, 4185, 4365, 4749, 5238, 6014, 7915, 8370, 8730, 9021, 9498, 13095, 14247, 15035, 15830, 18042, 23745, 26190, 27063, 28494, 30070, 42741, 45105, 47490, 49073, 54126, 71235, 81189, 85482, 90210, 98146, 135315, 142470, 147219, 153551, 162378, 213705, 245365, 270630, 294438, 307102, 405945, 427410, 441657, 460653, 490730, 736095, 767755, 811890, 883314, 921306, 1324971, 1381959, 1472190, 1535510, 2208285, 2303265, 2649942, 2763918, 4145877, 4416570, 4606530, 4760081, 6624855, 6909795, 8291754, 9520162, 13249710, 13819590, 14280243, 20729385, 23800405, 28560486, 41458770, 42840729, 47600810, 71401215, 85681458, 128522187, 142802430, 214203645, 257044374, 428407290, 642610935, 1285221870]

約数ペア:

[(1, 1285221870), (2, 642610935), (3, 428407290), (5, 257044374), (6, 214203645), (9, 142802430), (10, 128522187), (15, 85681458), (18, 71401215), (27, 47600810), (30, 42840729), (31, 41458770), (45, 28560486), (54, 23800405), (62, 20729385), (90, 14280243), (93, 13819590), (97, 13249710), (135, 9520162), (155, 8291754), (186, 6909795), (194, 6624855), (270, 4760081), (279, 4606530), (291, 4416570), (310, 4145877), (465, 2763918), (485, 2649942), (558, 2303265), (582, 2208285), (837, 1535510), (873, 1472190), (930, 1381959), (970, 1324971), (1395, 921306), (1455, 883314), (1583, 811890), (1674, 767755), (1746, 736095), (2619, 490730), (2790, 460653), (2910, 441657), (3007, 427410), (3166, 405945), (4185, 307102), (4365, 294438), (4749, 270630), (5238, 245365), (6014, 213705), (7915, 162378), (8370, 153551), (8730, 147219), (9021, 142470), (9498, 135315), (13095, 98146), (14247, 90210), (15035, 85482), (15830, 81189), (18042, 71235), (23745, 54126), (26190, 49073), (27063, 47490), (28494, 45105), (30070, 42741)]