155220660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{123191}}^1$

素因数の和:123213

約数の個数: 72

約数和(自身を含む): 538102656

約数和(自身を除く): 382881996

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 123191, 246382, 369573, 492764, 615955, 739146, 862337, 1108719, 1231910, 1478292, 1724674, 1847865, 2217438, 2463820, 2587011, 3449348, 3695730, 4311685, 4434876, 5174022, 5543595, 7391460, 7761033, 8623370, 10348044, 11087190, 12935055, 15522066, 17246740, 22174380, 25870110, 31044132, 38805165, 51740220, 77610330, 155220660]

約数ペア:

[(1, 155220660), (2, 77610330), (3, 51740220), (4, 38805165), (5, 31044132), (6, 25870110), (7, 22174380), (9, 17246740), (10, 15522066), (12, 12935055), (14, 11087190), (15, 10348044), (18, 8623370), (20, 7761033), (21, 7391460), (28, 5543595), (30, 5174022), (35, 4434876), (36, 4311685), (42, 3695730), (45, 3449348), (60, 2587011), (63, 2463820), (70, 2217438), (84, 1847865), (90, 1724674), (105, 1478292), (126, 1231910), (140, 1108719), (180, 862337), (210, 739146), (252, 615955), (315, 492764), (420, 369573), (630, 246382), (1260, 123191)]