155225040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{646771}}^1$

素因数の和:646787

約数の個数: 40

約数和(自身を含む): 481198368

約数和(自身を除く): 325973328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 646771, 1293542, 1940313, 2587084, 3233855, 3880626, 5174168, 6467710, 7761252, 9701565, 10348336, 12935420, 15522504, 19403130, 25870840, 31045008, 38806260, 51741680, 77612520, 155225040]

約数ペア:

[(1, 155225040), (2, 77612520), (3, 51741680), (4, 38806260), (5, 31045008), (6, 25870840), (8, 19403130), (10, 15522504), (12, 12935420), (15, 10348336), (16, 9701565), (20, 7761252), (24, 6467710), (30, 5174168), (40, 3880626), (48, 3233855), (60, 2587084), (80, 1940313), (120, 1293542), (240, 646771)]