320496680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{14489}}^1$

素因数の和:14586

約数の個数: 64

約数和(自身を含む): 834624000

約数和(自身を除く): 514127320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 11060, 14489, 22120, 28978, 57956, 72445, 101423, 115912, 144890, 202846, 289780, 405692, 507115, 579560, 811384, 1014230, 1144631, 2028460, 2289262, 4056920, 4578524, 5723155, 8012417, 9157048, 11446310, 16024834, 22892620, 32049668, 40062085, 45785240, 64099336, 80124170, 160248340, 320496680]

約数ペア:

[(1, 320496680), (2, 160248340), (4, 80124170), (5, 64099336), (7, 45785240), (8, 40062085), (10, 32049668), (14, 22892620), (20, 16024834), (28, 11446310), (35, 9157048), (40, 8012417), (56, 5723155), (70, 4578524), (79, 4056920), (140, 2289262), (158, 2028460), (280, 1144631), (316, 1014230), (395, 811384), (553, 579560), (632, 507115), (790, 405692), (1106, 289780), (1580, 202846), (2212, 144890), (2765, 115912), (3160, 101423), (4424, 72445), (5530, 57956), (11060, 28978), (14489, 22120)]