42161220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3299}}^1$

素因数の和:3385

約数の個数: 72

約数和(自身を含む): 129729600

約数和(自身を除く): 87568380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 3299, 4260, 6390, 6598, 9897, 12780, 13196, 16495, 19794, 29691, 32990, 39588, 49485, 59382, 65980, 98970, 118764, 148455, 197940, 234229, 296910, 468458, 593820, 702687, 936916, 1171145, 1405374, 2108061, 2342290, 2810748, 3513435, 4216122, 4684580, 7026870, 8432244, 10540305, 14053740, 21080610, 42161220]

約数ペア:

[(1, 42161220), (2, 21080610), (3, 14053740), (4, 10540305), (5, 8432244), (6, 7026870), (9, 4684580), (10, 4216122), (12, 3513435), (15, 2810748), (18, 2342290), (20, 2108061), (30, 1405374), (36, 1171145), (45, 936916), (60, 702687), (71, 593820), (90, 468458), (142, 296910), (180, 234229), (213, 197940), (284, 148455), (355, 118764), (426, 98970), (639, 65980), (710, 59382), (852, 49485), (1065, 39588), (1278, 32990), (1420, 29691), (2130, 19794), (2556, 16495), (3195, 13196), (3299, 12780), (4260, 9897), (6390, 6598)]