31185180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13327}}^1$

素因数の和:13355

約数の個数: 72

約数和(自身を含む): 101879232

約数和(自身を除く): 70694052

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, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 13327, 26654, 39981, 53308, 66635, 79962, 119943, 133270, 159924, 173251, 199905, 239886, 266540, 346502, 399810, 479772, 519753, 599715, 693004, 799620, 866255, 1039506, 1199430, 1559259, 1732510, 2079012, 2398860, 2598765, 3118518, 3465020, 5197530, 6237036, 7796295, 10395060, 15592590, 31185180]

約数ペア:

[(1, 31185180), (2, 15592590), (3, 10395060), (4, 7796295), (5, 6237036), (6, 5197530), (9, 3465020), (10, 3118518), (12, 2598765), (13, 2398860), (15, 2079012), (18, 1732510), (20, 1559259), (26, 1199430), (30, 1039506), (36, 866255), (39, 799620), (45, 693004), (52, 599715), (60, 519753), (65, 479772), (78, 399810), (90, 346502), (117, 266540), (130, 239886), (156, 199905), (180, 173251), (195, 159924), (234, 133270), (260, 119943), (390, 79962), (468, 66635), (585, 53308), (780, 39981), (1170, 26654), (2340, 13327)]