179815120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1213}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 447091920

約数和(自身を除く): 267276800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 109, 136, 170, 218, 272, 340, 436, 545, 680, 872, 1090, 1213, 1360, 1744, 1853, 2180, 2426, 3706, 4360, 4852, 6065, 7412, 8720, 9265, 9704, 12130, 14824, 18530, 19408, 20621, 24260, 29648, 37060, 41242, 48520, 74120, 82484, 97040, 103105, 132217, 148240, 164968, 206210, 264434, 329936, 412420, 528868, 661085, 824840, 1057736, 1322170, 1649680, 2115472, 2247689, 2644340, 4495378, 5288680, 8990756, 10577360, 11238445, 17981512, 22476890, 35963024, 44953780, 89907560, 179815120]

約数ペア:

[(1, 179815120), (2, 89907560), (4, 44953780), (5, 35963024), (8, 22476890), (10, 17981512), (16, 11238445), (17, 10577360), (20, 8990756), (34, 5288680), (40, 4495378), (68, 2644340), (80, 2247689), (85, 2115472), (109, 1649680), (136, 1322170), (170, 1057736), (218, 824840), (272, 661085), (340, 528868), (436, 412420), (545, 329936), (680, 264434), (872, 206210), (1090, 164968), (1213, 148240), (1360, 132217), (1744, 103105), (1853, 97040), (2180, 82484), (2426, 74120), (3706, 48520), (4360, 41242), (4852, 37060), (6065, 29648), (7412, 24260), (8720, 20621), (9265, 19408), (9704, 18530), (12130, 14824)]