140475960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{390211}}^1$

素因数の和:390228

約数の個数: 48

約数和(自身を含む): 456548040

約数和(自身を除く): 316072080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 390211, 780422, 1170633, 1560844, 1951055, 2341266, 3121688, 3511899, 3902110, 4682532, 5853165, 7023798, 7804220, 9365064, 11706330, 14047596, 15608440, 17559495, 23412660, 28095192, 35118990, 46825320, 70237980, 140475960]

約数ペア:

[(1, 140475960), (2, 70237980), (3, 46825320), (4, 35118990), (5, 28095192), (6, 23412660), (8, 17559495), (9, 15608440), (10, 14047596), (12, 11706330), (15, 9365064), (18, 7804220), (20, 7023798), (24, 5853165), (30, 4682532), (36, 3902110), (40, 3511899), (45, 3121688), (60, 2341266), (72, 1951055), (90, 1560844), (120, 1170633), (180, 780422), (360, 390211)]