55387640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{367}}^1$

素因数の和:410

約数の個数: 128

約数和(自身を含む): 158976000

約数和(自身を除く): 103588360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 343, 367, 385, 392, 440, 490, 539, 616, 686, 734, 770, 980, 1078, 1372, 1468, 1540, 1715, 1835, 1960, 2156, 2569, 2695, 2744, 2936, 3080, 3430, 3670, 3773, 4037, 4312, 5138, 5390, 6860, 7340, 7546, 8074, 10276, 10780, 12845, 13720, 14680, 15092, 16148, 17983, 18865, 20185, 20552, 21560, 25690, 28259, 30184, 32296, 35966, 37730, 40370, 51380, 56518, 71932, 75460, 80740, 89915, 102760, 113036, 125881, 141295, 143864, 150920, 161480, 179830, 197813, 226072, 251762, 282590, 359660, 395626, 503524, 565180, 629405, 719320, 791252, 989065, 1007048, 1130360, 1258810, 1384691, 1582504, 1978130, 2517620, 2769382, 3956260, 5035240, 5538764, 6923455, 7912520, 11077528, 13846910, 27693820, 55387640]

約数ペア:

[(1, 55387640), (2, 27693820), (4, 13846910), (5, 11077528), (7, 7912520), (8, 6923455), (10, 5538764), (11, 5035240), (14, 3956260), (20, 2769382), (22, 2517620), (28, 1978130), (35, 1582504), (40, 1384691), (44, 1258810), (49, 1130360), (55, 1007048), (56, 989065), (70, 791252), (77, 719320), (88, 629405), (98, 565180), (110, 503524), (140, 395626), (154, 359660), (196, 282590), (220, 251762), (245, 226072), (280, 197813), (308, 179830), (343, 161480), (367, 150920), (385, 143864), (392, 141295), (440, 125881), (490, 113036), (539, 102760), (616, 89915), (686, 80740), (734, 75460), (770, 71932), (980, 56518), (1078, 51380), (1372, 40370), (1468, 37730), (1540, 35966), (1715, 32296), (1835, 30184), (1960, 28259), (2156, 25690), (2569, 21560), (2695, 20552), (2744, 20185), (2936, 18865), (3080, 17983), (3430, 16148), (3670, 15092), (3773, 14680), (4037, 13720), (4312, 12845), (5138, 10780), (5390, 10276), (6860, 8074), (7340, 7546)]