168345520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{577}}^1$

素因数の和:1118

約数の個数: 80

約数和(自身を含む): 448953408

約数和(自身を除く): 280607888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 521, 560, 577, 1042, 1154, 2084, 2308, 2605, 2885, 3647, 4039, 4168, 4616, 5210, 5770, 7294, 8078, 8336, 9232, 10420, 11540, 14588, 16156, 18235, 20195, 20840, 23080, 29176, 32312, 36470, 40390, 41680, 46160, 58352, 64624, 72940, 80780, 145880, 161560, 291760, 300617, 323120, 601234, 1202468, 1503085, 2104319, 2404936, 3006170, 4208638, 4809872, 6012340, 8417276, 10521595, 12024680, 16834552, 21043190, 24049360, 33669104, 42086380, 84172760, 168345520]

約数ペア:

[(1, 168345520), (2, 84172760), (4, 42086380), (5, 33669104), (7, 24049360), (8, 21043190), (10, 16834552), (14, 12024680), (16, 10521595), (20, 8417276), (28, 6012340), (35, 4809872), (40, 4208638), (56, 3006170), (70, 2404936), (80, 2104319), (112, 1503085), (140, 1202468), (280, 601234), (521, 323120), (560, 300617), (577, 291760), (1042, 161560), (1154, 145880), (2084, 80780), (2308, 72940), (2605, 64624), (2885, 58352), (3647, 46160), (4039, 41680), (4168, 40390), (4616, 36470), (5210, 32312), (5770, 29176), (7294, 23080), (8078, 20840), (8336, 20195), (9232, 18235), (10420, 16156), (11540, 14588)]