128362960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{733}}^1$

素因数の和:956

約数の個数: 80

約数和(自身を含む): 327657600

約数和(自身を除く): 199294640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 199, 220, 398, 440, 733, 796, 880, 995, 1466, 1592, 1990, 2189, 2932, 3184, 3665, 3980, 4378, 5864, 7330, 7960, 8063, 8756, 10945, 11728, 14660, 15920, 16126, 17512, 21890, 29320, 32252, 35024, 40315, 43780, 58640, 64504, 80630, 87560, 129008, 145867, 161260, 175120, 291734, 322520, 583468, 645040, 729335, 1166936, 1458670, 1604537, 2333872, 2917340, 3209074, 5834680, 6418148, 8022685, 11669360, 12836296, 16045370, 25672592, 32090740, 64181480, 128362960]

約数ペア:

[(1, 128362960), (2, 64181480), (4, 32090740), (5, 25672592), (8, 16045370), (10, 12836296), (11, 11669360), (16, 8022685), (20, 6418148), (22, 5834680), (40, 3209074), (44, 2917340), (55, 2333872), (80, 1604537), (88, 1458670), (110, 1166936), (176, 729335), (199, 645040), (220, 583468), (398, 322520), (440, 291734), (733, 175120), (796, 161260), (880, 145867), (995, 129008), (1466, 87560), (1592, 80630), (1990, 64504), (2189, 58640), (2932, 43780), (3184, 40315), (3665, 35024), (3980, 32252), (4378, 29320), (5864, 21890), (7330, 17512), (7960, 16126), (8063, 15920), (8756, 14660), (10945, 11728)]