57252780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 191711520

約数和(自身を除く): 134458740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 387, 390, 430, 468, 516, 559, 569, 585, 645, 774, 780, 860, 1118, 1138, 1170, 1290, 1548, 1677, 1707, 1935, 2236, 2276, 2340, 2580, 2795, 2845, 3354, 3414, 3870, 5031, 5121, 5590, 5690, 6708, 6828, 7397, 7740, 8385, 8535, 10062, 10242, 11180, 11380, 14794, 16770, 17070, 20124, 20484, 22191, 24467, 25155, 25605, 29588, 33540, 34140, 36985, 44382, 48934, 50310, 51210, 66573, 73401, 73970, 88764, 97868, 100620, 102420, 110955, 122335, 133146, 146802, 147940, 220203, 221910, 244670, 266292, 293604, 318071, 332865, 367005, 440406, 443820, 489340, 636142, 665730, 734010, 880812, 954213, 1101015, 1272284, 1331460, 1468020, 1590355, 1908426, 2202030, 2862639, 3180710, 3816852, 4404060, 4771065, 5725278, 6361420, 9542130, 11450556, 14313195, 19084260, 28626390, 57252780]

約数ペア:

[(1, 57252780), (2, 28626390), (3, 19084260), (4, 14313195), (5, 11450556), (6, 9542130), (9, 6361420), (10, 5725278), (12, 4771065), (13, 4404060), (15, 3816852), (18, 3180710), (20, 2862639), (26, 2202030), (30, 1908426), (36, 1590355), (39, 1468020), (43, 1331460), (45, 1272284), (52, 1101015), (60, 954213), (65, 880812), (78, 734010), (86, 665730), (90, 636142), (117, 489340), (129, 443820), (130, 440406), (156, 367005), (172, 332865), (180, 318071), (195, 293604), (215, 266292), (234, 244670), (258, 221910), (260, 220203), (387, 147940), (390, 146802), (430, 133146), (468, 122335), (516, 110955), (559, 102420), (569, 100620), (585, 97868), (645, 88764), (774, 73970), (780, 73401), (860, 66573), (1118, 51210), (1138, 50310), (1170, 48934), (1290, 44382), (1548, 36985), (1677, 34140), (1707, 33540), (1935, 29588), (2236, 25605), (2276, 25155), (2340, 24467), (2580, 22191), (2795, 20484), (2845, 20124), (3354, 17070), (3414, 16770), (3870, 14794), (5031, 11380), (5121, 11180), (5590, 10242), (5690, 10062), (6708, 8535), (6828, 8385), (7397, 7740)]