1218750

素因数分解:

$2^1\times 3^1\times 5^6\times {\mathrm{13}}^1$

素因数の和:48

約数の個数: 56

約数和(自身を含む): 3281208

約数和(自身を除く): 2062458

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, 15625, 16250, 18750, 24375, 31250, 40625, 46875, 48750, 81250, 93750, 121875, 203125, 243750, 406250, 609375, 1218750]

約数ペア:

[(1, 1218750), (2, 609375), (3, 406250), (5, 243750), (6, 203125), (10, 121875), (13, 93750), (15, 81250), (25, 48750), (26, 46875), (30, 40625), (39, 31250), (50, 24375), (65, 18750), (75, 16250), (78, 15625), (125, 9750), (130, 9375), (150, 8125), (195, 6250), (250, 4875), (325, 3750), (375, 3250), (390, 3125), (625, 1950), (650, 1875), (750, 1625), (975, 1250)]