163600280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 375408000

約数和(自身を除く): 211807720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 157, 218, 239, 314, 436, 478, 545, 628, 785, 872, 956, 1090, 1195, 1256, 1570, 1912, 2180, 2390, 3140, 4360, 4780, 6280, 9560, 17113, 26051, 34226, 37523, 52102, 68452, 75046, 85565, 104204, 130255, 136904, 150092, 171130, 187615, 208408, 260510, 300184, 342260, 375230, 521020, 684520, 750460, 1042040, 1500920, 4090007, 8180014, 16360028, 20450035, 32720056, 40900070, 81800140, 163600280]

約数ペア:

[(1, 163600280), (2, 81800140), (4, 40900070), (5, 32720056), (8, 20450035), (10, 16360028), (20, 8180014), (40, 4090007), (109, 1500920), (157, 1042040), (218, 750460), (239, 684520), (314, 521020), (436, 375230), (478, 342260), (545, 300184), (628, 260510), (785, 208408), (872, 187615), (956, 171130), (1090, 150092), (1195, 136904), (1256, 130255), (1570, 104204), (1912, 85565), (2180, 75046), (2390, 68452), (3140, 52102), (4360, 37523), (4780, 34226), (6280, 26051), (9560, 17113)]