90405870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131023}}^1$

素因数の和:131056

約数の個数: 32

約数和(自身を含む): 226409472

約数和(自身を除く): 136003602

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 131023, 262046, 393069, 655115, 786138, 1310230, 1965345, 3013529, 3930690, 6027058, 9040587, 15067645, 18081174, 30135290, 45202935, 90405870]

約数ペア:

[(1, 90405870), (2, 45202935), (3, 30135290), (5, 18081174), (6, 15067645), (10, 9040587), (15, 6027058), (23, 3930690), (30, 3013529), (46, 1965345), (69, 1310230), (115, 786138), (138, 655115), (230, 393069), (345, 262046), (690, 131023)]