198108540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157229}}^1$

素因数の和:157251

約数の個数: 72

約数和(自身を含む): 686780640

約数和(自身を除く): 488672100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 157229, 314458, 471687, 628916, 786145, 943374, 1100603, 1415061, 1572290, 1886748, 2201206, 2358435, 2830122, 3144580, 3301809, 4402412, 4716870, 5503015, 5660244, 6603618, 7075305, 9433740, 9905427, 11006030, 13207236, 14150610, 16509045, 19810854, 22012060, 28301220, 33018090, 39621708, 49527135, 66036180, 99054270, 198108540]

約数ペア:

[(1, 198108540), (2, 99054270), (3, 66036180), (4, 49527135), (5, 39621708), (6, 33018090), (7, 28301220), (9, 22012060), (10, 19810854), (12, 16509045), (14, 14150610), (15, 13207236), (18, 11006030), (20, 9905427), (21, 9433740), (28, 7075305), (30, 6603618), (35, 5660244), (36, 5503015), (42, 4716870), (45, 4402412), (60, 3301809), (63, 3144580), (70, 2830122), (84, 2358435), (90, 2201206), (105, 1886748), (126, 1572290), (140, 1415061), (180, 1100603), (210, 943374), (252, 786145), (315, 628916), (420, 471687), (630, 314458), (1260, 157229)]