18210640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1049}}^1$

素因数の和:1100

約数の個数: 80

約数和(自身を含む): 49996800

約数和(自身を除く): 31786160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1049, 1085, 1240, 1736, 2098, 2170, 2480, 3472, 4196, 4340, 5245, 7343, 8392, 8680, 10490, 14686, 16784, 17360, 20980, 29372, 32519, 36715, 41960, 58744, 65038, 73430, 83920, 117488, 130076, 146860, 162595, 227633, 260152, 293720, 325190, 455266, 520304, 587440, 650380, 910532, 1138165, 1300760, 1821064, 2276330, 2601520, 3642128, 4552660, 9105320, 18210640]

約数ペア:

[(1, 18210640), (2, 9105320), (4, 4552660), (5, 3642128), (7, 2601520), (8, 2276330), (10, 1821064), (14, 1300760), (16, 1138165), (20, 910532), (28, 650380), (31, 587440), (35, 520304), (40, 455266), (56, 325190), (62, 293720), (70, 260152), (80, 227633), (112, 162595), (124, 146860), (140, 130076), (155, 117488), (217, 83920), (248, 73430), (280, 65038), (310, 58744), (434, 41960), (496, 36715), (560, 32519), (620, 29372), (868, 20980), (1049, 17360), (1085, 16784), (1240, 14686), (1736, 10490), (2098, 8680), (2170, 8392), (2480, 7343), (3472, 5245), (4196, 4340)]