287020980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14629}}^1$

素因数の和:14753

約数の個数: 72

約数和(自身を含む): 878677800

約数和(自身を除く): 591656820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6540, 9810, 14629, 19620, 29258, 43887, 58516, 73145, 87774, 131661, 146290, 175548, 219435, 263322, 292580, 438870, 526644, 658305, 877740, 1316610, 1594561, 2633220, 3189122, 4783683, 6378244, 7972805, 9567366, 14351049, 15945610, 19134732, 23918415, 28702098, 31891220, 47836830, 57404196, 71755245, 95673660, 143510490, 287020980]

約数ペア:

[(1, 287020980), (2, 143510490), (3, 95673660), (4, 71755245), (5, 57404196), (6, 47836830), (9, 31891220), (10, 28702098), (12, 23918415), (15, 19134732), (18, 15945610), (20, 14351049), (30, 9567366), (36, 7972805), (45, 6378244), (60, 4783683), (90, 3189122), (109, 2633220), (180, 1594561), (218, 1316610), (327, 877740), (436, 658305), (545, 526644), (654, 438870), (981, 292580), (1090, 263322), (1308, 219435), (1635, 175548), (1962, 146290), (2180, 131661), (3270, 87774), (3924, 73145), (4905, 58516), (6540, 43887), (9810, 29258), (14629, 19620)]