217494480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{129461}}^1$

素因数の和:129484

約数の個数: 80

約数和(自身を含む): 770557824

約数和(自身を除く): 553063344

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, 129461, 258922, 388383, 517844, 647305, 776766, 906227, 1035688, 1294610, 1553532, 1812454, 1941915, 2071376, 2589220, 2718681, 3107064, 3624908, 3883830, 4531135, 5178440, 5437362, 6214128, 7249816, 7767660, 9062270, 10356880, 10874724, 13593405, 14499632, 15535320, 18124540, 21749448, 27186810, 31070640, 36249080, 43498896, 54373620, 72498160, 108747240, 217494480]

約数ペア:

[(1, 217494480), (2, 108747240), (3, 72498160), (4, 54373620), (5, 43498896), (6, 36249080), (7, 31070640), (8, 27186810), (10, 21749448), (12, 18124540), (14, 15535320), (15, 14499632), (16, 13593405), (20, 10874724), (21, 10356880), (24, 9062270), (28, 7767660), (30, 7249816), (35, 6214128), (40, 5437362), (42, 5178440), (48, 4531135), (56, 3883830), (60, 3624908), (70, 3107064), (80, 2718681), (84, 2589220), (105, 2071376), (112, 1941915), (120, 1812454), (140, 1553532), (168, 1294610), (210, 1035688), (240, 906227), (280, 776766), (336, 647305), (420, 517844), (560, 388383), (840, 258922), (1680, 129461)]