25642680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^4\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 160

約数和(自身を含む): 90752400

約数和(自身を除く): 65109720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 89, 98, 105, 120, 140, 147, 168, 178, 196, 210, 245, 267, 280, 294, 343, 356, 392, 420, 445, 490, 534, 588, 623, 686, 712, 735, 840, 890, 980, 1029, 1068, 1176, 1246, 1335, 1372, 1470, 1715, 1780, 1869, 1960, 2058, 2136, 2401, 2492, 2670, 2744, 2940, 3115, 3430, 3560, 3738, 4116, 4361, 4802, 4984, 5145, 5340, 5880, 6230, 6860, 7203, 7476, 8232, 8722, 9345, 9604, 10290, 10680, 12005, 12460, 13083, 13720, 14406, 14952, 17444, 18690, 19208, 20580, 21805, 24010, 24920, 26166, 28812, 30527, 34888, 36015, 37380, 41160, 43610, 48020, 52332, 57624, 61054, 65415, 72030, 74760, 87220, 91581, 96040, 104664, 122108, 130830, 144060, 152635, 174440, 183162, 213689, 244216, 261660, 288120, 305270, 366324, 427378, 457905, 523320, 610540, 641067, 732648, 854756, 915810, 1068445, 1221080, 1282134, 1709512, 1831620, 2136890, 2564268, 3205335, 3663240, 4273780, 5128536, 6410670, 8547560, 12821340, 25642680]

約数ペア:

[(1, 25642680), (2, 12821340), (3, 8547560), (4, 6410670), (5, 5128536), (6, 4273780), (7, 3663240), (8, 3205335), (10, 2564268), (12, 2136890), (14, 1831620), (15, 1709512), (20, 1282134), (21, 1221080), (24, 1068445), (28, 915810), (30, 854756), (35, 732648), (40, 641067), (42, 610540), (49, 523320), (56, 457905), (60, 427378), (70, 366324), (84, 305270), (89, 288120), (98, 261660), (105, 244216), (120, 213689), (140, 183162), (147, 174440), (168, 152635), (178, 144060), (196, 130830), (210, 122108), (245, 104664), (267, 96040), (280, 91581), (294, 87220), (343, 74760), (356, 72030), (392, 65415), (420, 61054), (445, 57624), (490, 52332), (534, 48020), (588, 43610), (623, 41160), (686, 37380), (712, 36015), (735, 34888), (840, 30527), (890, 28812), (980, 26166), (1029, 24920), (1068, 24010), (1176, 21805), (1246, 20580), (1335, 19208), (1372, 18690), (1470, 17444), (1715, 14952), (1780, 14406), (1869, 13720), (1960, 13083), (2058, 12460), (2136, 12005), (2401, 10680), (2492, 10290), (2670, 9604), (2744, 9345), (2940, 8722), (3115, 8232), (3430, 7476), (3560, 7203), (3738, 6860), (4116, 6230), (4361, 5880), (4802, 5340), (4984, 5145)]