159570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{197}}^1$

素因数の和:216

約数の個数: 40

約数和(自身を含む): 431244

約数和(自身を除く): 271674

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 197, 270, 394, 405, 591, 810, 985, 1182, 1773, 1970, 2955, 3546, 5319, 5910, 8865, 10638, 15957, 17730, 26595, 31914, 53190, 79785, 159570]

約数ペア:

[(1, 159570), (2, 79785), (3, 53190), (5, 31914), (6, 26595), (9, 17730), (10, 15957), (15, 10638), (18, 8865), (27, 5910), (30, 5319), (45, 3546), (54, 2955), (81, 1970), (90, 1773), (135, 1182), (162, 985), (197, 810), (270, 591), (394, 405)]