255060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 840840

約数和(自身を除く): 585780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 109, 117, 130, 156, 180, 195, 218, 234, 260, 327, 390, 436, 468, 545, 585, 654, 780, 981, 1090, 1170, 1308, 1417, 1635, 1962, 2180, 2340, 2834, 3270, 3924, 4251, 4905, 5668, 6540, 7085, 8502, 9810, 12753, 14170, 17004, 19620, 21255, 25506, 28340, 42510, 51012, 63765, 85020, 127530, 255060]

約数ペア:

[(1, 255060), (2, 127530), (3, 85020), (4, 63765), (5, 51012), (6, 42510), (9, 28340), (10, 25506), (12, 21255), (13, 19620), (15, 17004), (18, 14170), (20, 12753), (26, 9810), (30, 8502), (36, 7085), (39, 6540), (45, 5668), (52, 4905), (60, 4251), (65, 3924), (78, 3270), (90, 2834), (109, 2340), (117, 2180), (130, 1962), (156, 1635), (180, 1417), (195, 1308), (218, 1170), (234, 1090), (260, 981), (327, 780), (390, 654), (436, 585), (468, 545)]