164270320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 421754256

約数和(自身を除く): 257483936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 53, 68, 80, 85, 86, 106, 136, 170, 172, 212, 215, 265, 272, 340, 344, 424, 430, 530, 680, 688, 731, 848, 860, 901, 1060, 1360, 1462, 1720, 1802, 2120, 2279, 2809, 2924, 3440, 3604, 3655, 4240, 4505, 4558, 5618, 5848, 7208, 7310, 9010, 9116, 11236, 11395, 11696, 14045, 14416, 14620, 18020, 18232, 22472, 22790, 28090, 29240, 36040, 36464, 38743, 44944, 45580, 47753, 56180, 58480, 72080, 77486, 91160, 95506, 112360, 120787, 154972, 182320, 191012, 193715, 224720, 238765, 241574, 309944, 382024, 387430, 477530, 483148, 603935, 619888, 764048, 774860, 955060, 966296, 1207870, 1549720, 1910120, 1932592, 2053379, 2415740, 3099440, 3820240, 4106758, 4831480, 8213516, 9662960, 10266895, 16427032, 20533790, 32854064, 41067580, 82135160, 164270320]

約数ペア:

[(1, 164270320), (2, 82135160), (4, 41067580), (5, 32854064), (8, 20533790), (10, 16427032), (16, 10266895), (17, 9662960), (20, 8213516), (34, 4831480), (40, 4106758), (43, 3820240), (53, 3099440), (68, 2415740), (80, 2053379), (85, 1932592), (86, 1910120), (106, 1549720), (136, 1207870), (170, 966296), (172, 955060), (212, 774860), (215, 764048), (265, 619888), (272, 603935), (340, 483148), (344, 477530), (424, 387430), (430, 382024), (530, 309944), (680, 241574), (688, 238765), (731, 224720), (848, 193715), (860, 191012), (901, 182320), (1060, 154972), (1360, 120787), (1462, 112360), (1720, 95506), (1802, 91160), (2120, 77486), (2279, 72080), (2809, 58480), (2924, 56180), (3440, 47753), (3604, 45580), (3655, 44944), (4240, 38743), (4505, 36464), (4558, 36040), (5618, 29240), (5848, 28090), (7208, 22790), (7310, 22472), (9010, 18232), (9116, 18020), (11236, 14620), (11395, 14416), (11696, 14045)]