637650

素因数分解:

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

素因数の和:140

約数の個数: 72

約数和(自身を含む): 1861860

約数和(自身を除く): 1224210

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 109, 117, 130, 150, 195, 218, 225, 234, 325, 327, 390, 450, 545, 585, 650, 654, 975, 981, 1090, 1170, 1417, 1635, 1950, 1962, 2725, 2834, 2925, 3270, 4251, 4905, 5450, 5850, 7085, 8175, 8502, 9810, 12753, 14170, 16350, 21255, 24525, 25506, 35425, 42510, 49050, 63765, 70850, 106275, 127530, 212550, 318825, 637650]

約数ペア:

[(1, 637650), (2, 318825), (3, 212550), (5, 127530), (6, 106275), (9, 70850), (10, 63765), (13, 49050), (15, 42510), (18, 35425), (25, 25506), (26, 24525), (30, 21255), (39, 16350), (45, 14170), (50, 12753), (65, 9810), (75, 8502), (78, 8175), (90, 7085), (109, 5850), (117, 5450), (130, 4905), (150, 4251), (195, 3270), (218, 2925), (225, 2834), (234, 2725), (325, 1962), (327, 1950), (390, 1635), (450, 1417), (545, 1170), (585, 1090), (650, 981), (654, 975)]