1209888540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{960229}}^1$

素因数の和:960251

約数の個数: 72

約数和(自身を含む): 4194284640

約数和(自身を除く): 2984396100

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, 960229, 1920458, 2880687, 3840916, 4801145, 5761374, 6721603, 8642061, 9602290, 11522748, 13443206, 14403435, 17284122, 19204580, 20164809, 26886412, 28806870, 33608015, 34568244, 40329618, 43210305, 57613740, 60494427, 67216030, 80659236, 86420610, 100824045, 120988854, 134432060, 172841220, 201648090, 241977708, 302472135, 403296180, 604944270, 1209888540]

約数ペア:

[(1, 1209888540), (2, 604944270), (3, 403296180), (4, 302472135), (5, 241977708), (6, 201648090), (7, 172841220), (9, 134432060), (10, 120988854), (12, 100824045), (14, 86420610), (15, 80659236), (18, 67216030), (20, 60494427), (21, 57613740), (28, 43210305), (30, 40329618), (35, 34568244), (36, 33608015), (42, 28806870), (45, 26886412), (60, 20164809), (63, 19204580), (70, 17284122), (84, 14403435), (90, 13443206), (105, 11522748), (126, 9602290), (140, 8642061), (180, 6721603), (210, 5761374), (252, 4801145), (315, 3840916), (420, 2880687), (630, 1920458), (1260, 960229)]