215853680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20287}}^1$

素因数の和:20326

約数の個数: 80

約数和(自身を含む): 603770880

約数和(自身を除く): 387917200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 20287, 40574, 81148, 101435, 142009, 162296, 202870, 284018, 324592, 385453, 405740, 568036, 710045, 770906, 811480, 1136072, 1420090, 1541812, 1622960, 1927265, 2272144, 2698171, 2840180, 3083624, 3854530, 5396342, 5680360, 6167248, 7709060, 10792684, 11360720, 13490855, 15418120, 21585368, 26981710, 30836240, 43170736, 53963420, 107926840, 215853680]

約数ペア:

[(1, 215853680), (2, 107926840), (4, 53963420), (5, 43170736), (7, 30836240), (8, 26981710), (10, 21585368), (14, 15418120), (16, 13490855), (19, 11360720), (20, 10792684), (28, 7709060), (35, 6167248), (38, 5680360), (40, 5396342), (56, 3854530), (70, 3083624), (76, 2840180), (80, 2698171), (95, 2272144), (112, 1927265), (133, 1622960), (140, 1541812), (152, 1420090), (190, 1136072), (266, 811480), (280, 770906), (304, 710045), (380, 568036), (532, 405740), (560, 385453), (665, 324592), (760, 284018), (1064, 202870), (1330, 162296), (1520, 142009), (2128, 101435), (2660, 81148), (5320, 40574), (10640, 20287)]