2178712890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6389}}^1$

素因数の和:6829

約数の個数: 80

約数和(自身を含む): 5873151240

約数和(自身を除く): 3694438350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 421, 810, 842, 1263, 2105, 2526, 3789, 4210, 6315, 6389, 7578, 11367, 12630, 12778, 18945, 19167, 22734, 31945, 34101, 37890, 38334, 56835, 57501, 63890, 68202, 95835, 113670, 115002, 170505, 172503, 191670, 287505, 341010, 345006, 517509, 575010, 862515, 1035018, 1725030, 2587545, 2689769, 5175090, 5379538, 8069307, 13448845, 16138614, 24207921, 26897690, 40346535, 48415842, 72623763, 80693070, 121039605, 145247526, 217871289, 242079210, 363118815, 435742578, 726237630, 1089356445, 2178712890]

約数ペア:

[(1, 2178712890), (2, 1089356445), (3, 726237630), (5, 435742578), (6, 363118815), (9, 242079210), (10, 217871289), (15, 145247526), (18, 121039605), (27, 80693070), (30, 72623763), (45, 48415842), (54, 40346535), (81, 26897690), (90, 24207921), (135, 16138614), (162, 13448845), (270, 8069307), (405, 5379538), (421, 5175090), (810, 2689769), (842, 2587545), (1263, 1725030), (2105, 1035018), (2526, 862515), (3789, 575010), (4210, 517509), (6315, 345006), (6389, 341010), (7578, 287505), (11367, 191670), (12630, 172503), (12778, 170505), (18945, 115002), (19167, 113670), (22734, 95835), (31945, 68202), (34101, 63890), (37890, 57501), (38334, 56835)]