889802820

素因数分解:

$2^2\times 3^8\times 5^1\times {\mathrm{6781}}^1$

素因数の和:6814

約数の個数: 108

約数和(自身を含む): 2803149804

約数和(自身を除く): 1913346984

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2187, 2430, 2916, 3645, 4374, 4860, 6561, 6781, 7290, 8748, 10935, 13122, 13562, 14580, 20343, 21870, 26244, 27124, 32805, 33905, 40686, 43740, 61029, 65610, 67810, 81372, 101715, 122058, 131220, 135620, 183087, 203430, 244116, 305145, 366174, 406860, 549261, 610290, 732348, 915435, 1098522, 1220580, 1647783, 1830870, 2197044, 2746305, 3295566, 3661740, 4943349, 5492610, 6591132, 8238915, 9886698, 10985220, 14830047, 16477830, 19773396, 24716745, 29660094, 32955660, 44490141, 49433490, 59320188, 74150235, 88980282, 98866980, 148300470, 177960564, 222450705, 296600940, 444901410, 889802820]

約数ペア:

[(1, 889802820), (2, 444901410), (3, 296600940), (4, 222450705), (5, 177960564), (6, 148300470), (9, 98866980), (10, 88980282), (12, 74150235), (15, 59320188), (18, 49433490), (20, 44490141), (27, 32955660), (30, 29660094), (36, 24716745), (45, 19773396), (54, 16477830), (60, 14830047), (81, 10985220), (90, 9886698), (108, 8238915), (135, 6591132), (162, 5492610), (180, 4943349), (243, 3661740), (270, 3295566), (324, 2746305), (405, 2197044), (486, 1830870), (540, 1647783), (729, 1220580), (810, 1098522), (972, 915435), (1215, 732348), (1458, 610290), (1620, 549261), (2187, 406860), (2430, 366174), (2916, 305145), (3645, 244116), (4374, 203430), (4860, 183087), (6561, 135620), (6781, 131220), (7290, 122058), (8748, 101715), (10935, 81372), (13122, 67810), (13562, 65610), (14580, 61029), (20343, 43740), (21870, 40686), (26244, 33905), (27124, 32805)]