243750

素因数分解:

$2^1\times 3^1\times 5^5\times {\mathrm{13}}^1$

素因数の和:43

約数の個数: 48

約数和(自身を含む): 656208

約数和(自身を除く): 412458

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 625, 650, 750, 975, 1250, 1625, 1875, 1950, 3125, 3250, 3750, 4875, 6250, 8125, 9375, 9750, 16250, 18750, 24375, 40625, 48750, 81250, 121875, 243750]

約数ペア:

[(1, 243750), (2, 121875), (3, 81250), (5, 48750), (6, 40625), (10, 24375), (13, 18750), (15, 16250), (25, 9750), (26, 9375), (30, 8125), (39, 6250), (50, 4875), (65, 3750), (75, 3250), (78, 3125), (125, 1950), (130, 1875), (150, 1625), (195, 1250), (250, 975), (325, 750), (375, 650), (390, 625)]