90420780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1699}}^1$

素因数の和:2598

約数の個数: 48

約数和(自身を含む): 253612800

約数和(自身を除く): 163192020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 887, 1699, 1774, 2661, 3398, 3548, 4435, 5097, 5322, 6796, 8495, 8870, 10194, 10644, 13305, 16990, 17740, 20388, 25485, 26610, 33980, 50970, 53220, 101940, 1507013, 3014026, 4521039, 6028052, 7535065, 9042078, 15070130, 18084156, 22605195, 30140260, 45210390, 90420780]

約数ペア:

[(1, 90420780), (2, 45210390), (3, 30140260), (4, 22605195), (5, 18084156), (6, 15070130), (10, 9042078), (12, 7535065), (15, 6028052), (20, 4521039), (30, 3014026), (60, 1507013), (887, 101940), (1699, 53220), (1774, 50970), (2661, 33980), (3398, 26610), (3548, 25485), (4435, 20388), (5097, 17740), (5322, 16990), (6796, 13305), (8495, 10644), (8870, 10194)]