205932720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{122579}}^1$

素因数の和:122602

約数の個数: 80

約数和(自身を含む): 729596160

約数和(自身を除く): 523663440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 122579, 245158, 367737, 490316, 612895, 735474, 858053, 980632, 1225790, 1470948, 1716106, 1838685, 1961264, 2451580, 2574159, 2941896, 3432212, 3677370, 4290265, 4903160, 5148318, 5883792, 6864424, 7354740, 8580530, 9806320, 10296636, 12870795, 13728848, 14709480, 17161060, 20593272, 25741590, 29418960, 34322120, 41186544, 51483180, 68644240, 102966360, 205932720]

約数ペア:

[(1, 205932720), (2, 102966360), (3, 68644240), (4, 51483180), (5, 41186544), (6, 34322120), (7, 29418960), (8, 25741590), (10, 20593272), (12, 17161060), (14, 14709480), (15, 13728848), (16, 12870795), (20, 10296636), (21, 9806320), (24, 8580530), (28, 7354740), (30, 6864424), (35, 5883792), (40, 5148318), (42, 4903160), (48, 4290265), (56, 3677370), (60, 3432212), (70, 2941896), (80, 2574159), (84, 2451580), (105, 1961264), (112, 1838685), (120, 1716106), (140, 1470948), (168, 1225790), (210, 980632), (240, 858053), (280, 735474), (336, 612895), (420, 490316), (560, 367737), (840, 245158), (1680, 122579)]