84971440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1526

約数の個数: 80

約数和(自身を含む): 214191648

約数和(自身を除く): 129220208

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 680, 688, 731, 860, 1360, 1453, 1462, 1720, 2906, 2924, 3440, 3655, 5812, 5848, 7265, 7310, 11624, 11696, 14530, 14620, 23248, 24701, 29060, 29240, 49402, 58120, 58480, 62479, 98804, 116240, 123505, 124958, 197608, 247010, 249916, 312395, 395216, 494020, 499832, 624790, 988040, 999664, 1062143, 1249580, 1976080, 2124286, 2499160, 4248572, 4998320, 5310715, 8497144, 10621430, 16994288, 21242860, 42485720, 84971440]

約数ペア:

[(1, 84971440), (2, 42485720), (4, 21242860), (5, 16994288), (8, 10621430), (10, 8497144), (16, 5310715), (17, 4998320), (20, 4248572), (34, 2499160), (40, 2124286), (43, 1976080), (68, 1249580), (80, 1062143), (85, 999664), (86, 988040), (136, 624790), (170, 499832), (172, 494020), (215, 395216), (272, 312395), (340, 249916), (344, 247010), (430, 197608), (680, 124958), (688, 123505), (731, 116240), (860, 98804), (1360, 62479), (1453, 58480), (1462, 58120), (1720, 49402), (2906, 29240), (2924, 29060), (3440, 24701), (3655, 23248), (5812, 14620), (5848, 14530), (7265, 11696), (7310, 11624)]