401563260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{318701}}^1$

素因数の和:318723

約数の個数: 72

約数和(自身を含む): 1392090336

約数和(自身を除く): 990527076

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, 318701, 637402, 956103, 1274804, 1593505, 1912206, 2230907, 2868309, 3187010, 3824412, 4461814, 4780515, 5736618, 6374020, 6692721, 8923628, 9561030, 11154535, 11473236, 13385442, 14341545, 19122060, 20078163, 22309070, 26770884, 28683090, 33463605, 40156326, 44618140, 57366180, 66927210, 80312652, 100390815, 133854420, 200781630, 401563260]

約数ペア:

[(1, 401563260), (2, 200781630), (3, 133854420), (4, 100390815), (5, 80312652), (6, 66927210), (7, 57366180), (9, 44618140), (10, 40156326), (12, 33463605), (14, 28683090), (15, 26770884), (18, 22309070), (20, 20078163), (21, 19122060), (28, 14341545), (30, 13385442), (35, 11473236), (36, 11154535), (42, 9561030), (45, 8923628), (60, 6692721), (63, 6374020), (70, 5736618), (84, 4780515), (90, 4461814), (105, 3824412), (126, 3187010), (140, 2868309), (180, 2230907), (210, 1912206), (252, 1593505), (315, 1274804), (420, 956103), (630, 637402), (1260, 318701)]