53425260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 187387200

約数和(自身を除く): 133961940

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, 109, 126, 140, 180, 210, 218, 252, 315, 327, 389, 420, 436, 545, 630, 654, 763, 778, 981, 1090, 1167, 1260, 1308, 1526, 1556, 1635, 1945, 1962, 2180, 2289, 2334, 2723, 3052, 3270, 3501, 3815, 3890, 3924, 4578, 4668, 4905, 5446, 5835, 6540, 6867, 7002, 7630, 7780, 8169, 9156, 9810, 10892, 11445, 11670, 13615, 13734, 14004, 15260, 16338, 17505, 19620, 22890, 23340, 24507, 27230, 27468, 32676, 34335, 35010, 40845, 42401, 45780, 49014, 54460, 68670, 70020, 81690, 84802, 98028, 122535, 127203, 137340, 163380, 169604, 212005, 245070, 254406, 296807, 381609, 424010, 490140, 508812, 593614, 636015, 763218, 848020, 890421, 1187228, 1272030, 1484035, 1526436, 1780842, 1908045, 2544060, 2671263, 2968070, 3561684, 3816090, 4452105, 5342526, 5936140, 7632180, 8904210, 10685052, 13356315, 17808420, 26712630, 53425260]

約数ペア:

[(1, 53425260), (2, 26712630), (3, 17808420), (4, 13356315), (5, 10685052), (6, 8904210), (7, 7632180), (9, 5936140), (10, 5342526), (12, 4452105), (14, 3816090), (15, 3561684), (18, 2968070), (20, 2671263), (21, 2544060), (28, 1908045), (30, 1780842), (35, 1526436), (36, 1484035), (42, 1272030), (45, 1187228), (60, 890421), (63, 848020), (70, 763218), (84, 636015), (90, 593614), (105, 508812), (109, 490140), (126, 424010), (140, 381609), (180, 296807), (210, 254406), (218, 245070), (252, 212005), (315, 169604), (327, 163380), (389, 137340), (420, 127203), (436, 122535), (545, 98028), (630, 84802), (654, 81690), (763, 70020), (778, 68670), (981, 54460), (1090, 49014), (1167, 45780), (1260, 42401), (1308, 40845), (1526, 35010), (1556, 34335), (1635, 32676), (1945, 27468), (1962, 27230), (2180, 24507), (2289, 23340), (2334, 22890), (2723, 19620), (3052, 17505), (3270, 16338), (3501, 15260), (3815, 14004), (3890, 13734), (3924, 13615), (4578, 11670), (4668, 11445), (4905, 10892), (5446, 9810), (5835, 9156), (6540, 8169), (6867, 7780), (7002, 7630)]