172957260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:776

約数の個数: 144

約数和(自身を含む): 570538080

約数和(自身を除く): 397580820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 89, 98, 105, 140, 147, 178, 196, 210, 245, 267, 294, 356, 420, 445, 490, 534, 588, 623, 661, 735, 890, 980, 1068, 1246, 1322, 1335, 1470, 1780, 1869, 1983, 2492, 2644, 2670, 2940, 3115, 3305, 3738, 3966, 4361, 4627, 5340, 6230, 6610, 7476, 7932, 8722, 9254, 9345, 9915, 12460, 13083, 13220, 13881, 17444, 18508, 18690, 19830, 21805, 23135, 26166, 27762, 32389, 37380, 39660, 43610, 46270, 52332, 55524, 58829, 64778, 65415, 69405, 87220, 92540, 97167, 117658, 129556, 130830, 138810, 161945, 176487, 194334, 235316, 261660, 277620, 294145, 323890, 352974, 388668, 411803, 485835, 588290, 647780, 705948, 823606, 882435, 971670, 1176580, 1235409, 1647212, 1764870, 1943340, 2059015, 2470818, 2882621, 3529740, 4118030, 4941636, 5765242, 6177045, 8236060, 8647863, 11530484, 12354090, 14413105, 17295726, 24708180, 28826210, 34591452, 43239315, 57652420, 86478630, 172957260]

約数ペア:

[(1, 172957260), (2, 86478630), (3, 57652420), (4, 43239315), (5, 34591452), (6, 28826210), (7, 24708180), (10, 17295726), (12, 14413105), (14, 12354090), (15, 11530484), (20, 8647863), (21, 8236060), (28, 6177045), (30, 5765242), (35, 4941636), (42, 4118030), (49, 3529740), (60, 2882621), (70, 2470818), (84, 2059015), (89, 1943340), (98, 1764870), (105, 1647212), (140, 1235409), (147, 1176580), (178, 971670), (196, 882435), (210, 823606), (245, 705948), (267, 647780), (294, 588290), (356, 485835), (420, 411803), (445, 388668), (490, 352974), (534, 323890), (588, 294145), (623, 277620), (661, 261660), (735, 235316), (890, 194334), (980, 176487), (1068, 161945), (1246, 138810), (1322, 130830), (1335, 129556), (1470, 117658), (1780, 97167), (1869, 92540), (1983, 87220), (2492, 69405), (2644, 65415), (2670, 64778), (2940, 58829), (3115, 55524), (3305, 52332), (3738, 46270), (3966, 43610), (4361, 39660), (4627, 37380), (5340, 32389), (6230, 27762), (6610, 26166), (7476, 23135), (7932, 21805), (8722, 19830), (9254, 18690), (9345, 18508), (9915, 17444), (12460, 13881), (13083, 13220)]