8148840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 28512000

約数和(自身を除く): 20363160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 109, 120, 140, 168, 178, 210, 218, 267, 280, 327, 356, 420, 436, 445, 534, 545, 623, 654, 712, 763, 840, 872, 890, 1068, 1090, 1246, 1308, 1335, 1526, 1635, 1780, 1869, 2136, 2180, 2289, 2492, 2616, 2670, 3052, 3115, 3270, 3560, 3738, 3815, 4360, 4578, 4984, 5340, 6104, 6230, 6540, 7476, 7630, 9156, 9345, 9701, 10680, 11445, 12460, 13080, 14952, 15260, 18312, 18690, 19402, 22890, 24920, 29103, 30520, 37380, 38804, 45780, 48505, 58206, 67907, 74760, 77608, 91560, 97010, 116412, 135814, 145515, 194020, 203721, 232824, 271628, 291030, 339535, 388040, 407442, 543256, 582060, 679070, 814884, 1018605, 1164120, 1358140, 1629768, 2037210, 2716280, 4074420, 8148840]

約数ペア:

[(1, 8148840), (2, 4074420), (3, 2716280), (4, 2037210), (5, 1629768), (6, 1358140), (7, 1164120), (8, 1018605), (10, 814884), (12, 679070), (14, 582060), (15, 543256), (20, 407442), (21, 388040), (24, 339535), (28, 291030), (30, 271628), (35, 232824), (40, 203721), (42, 194020), (56, 145515), (60, 135814), (70, 116412), (84, 97010), (89, 91560), (105, 77608), (109, 74760), (120, 67907), (140, 58206), (168, 48505), (178, 45780), (210, 38804), (218, 37380), (267, 30520), (280, 29103), (327, 24920), (356, 22890), (420, 19402), (436, 18690), (445, 18312), (534, 15260), (545, 14952), (623, 13080), (654, 12460), (712, 11445), (763, 10680), (840, 9701), (872, 9345), (890, 9156), (1068, 7630), (1090, 7476), (1246, 6540), (1308, 6230), (1335, 6104), (1526, 5340), (1635, 4984), (1780, 4578), (1869, 4360), (2136, 3815), (2180, 3738), (2289, 3560), (2492, 3270), (2616, 3115), (2670, 3052)]