420996810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{1217}}^1$

素因数の和:2127

約数の個数: 64

約数和(自身を含む): 1090236672

約数和(自身を除く): 669239862

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 887, 1217, 1774, 2434, 2661, 3651, 4435, 5322, 6085, 7302, 8870, 11531, 12170, 13305, 15821, 18255, 23062, 26610, 31642, 34593, 36510, 47463, 57655, 69186, 79105, 94926, 115310, 158210, 172965, 237315, 345930, 474630, 1079479, 2158958, 3238437, 5397395, 6476874, 10794790, 14033227, 16192185, 28066454, 32384370, 42099681, 70166135, 84199362, 140332270, 210498405, 420996810]

約数ペア:

[(1, 420996810), (2, 210498405), (3, 140332270), (5, 84199362), (6, 70166135), (10, 42099681), (13, 32384370), (15, 28066454), (26, 16192185), (30, 14033227), (39, 10794790), (65, 6476874), (78, 5397395), (130, 3238437), (195, 2158958), (390, 1079479), (887, 474630), (1217, 345930), (1774, 237315), (2434, 172965), (2661, 158210), (3651, 115310), (4435, 94926), (5322, 79105), (6085, 69186), (7302, 57655), (8870, 47463), (11531, 36510), (12170, 34593), (13305, 31642), (15821, 26610), (18255, 23062)]