1390766520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{81047}}^1$

素因数の和:81085

約数の個数: 128

約数和(自身を含む): 4901783040

約数和(自身を除く): 3511016520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 17160, 81047, 162094, 243141, 324188, 405235, 486282, 648376, 810470, 891517, 972564, 1053611, 1215705, 1620940, 1783034, 1945128, 2107222, 2431410, 2674551, 3160833, 3241880, 3566068, 4214444, 4457585, 4862820, 5268055, 5349102, 6321666, 7132136, 8428888, 8915170, 9725640, 10536110, 10698204, 11589721, 12643332, 13372755, 15804165, 17830340, 21072220, 21396408, 23179442, 25286664, 26745510, 31608330, 34769163, 35660680, 42144440, 46358884, 53491020, 57948605, 63216660, 69538326, 92717768, 106982040, 115897210, 126433320, 139076652, 173845815, 231794420, 278153304, 347691630, 463588840, 695383260, 1390766520]

約数ペア:

[(1, 1390766520), (2, 695383260), (3, 463588840), (4, 347691630), (5, 278153304), (6, 231794420), (8, 173845815), (10, 139076652), (11, 126433320), (12, 115897210), (13, 106982040), (15, 92717768), (20, 69538326), (22, 63216660), (24, 57948605), (26, 53491020), (30, 46358884), (33, 42144440), (39, 35660680), (40, 34769163), (44, 31608330), (52, 26745510), (55, 25286664), (60, 23179442), (65, 21396408), (66, 21072220), (78, 17830340), (88, 15804165), (104, 13372755), (110, 12643332), (120, 11589721), (130, 10698204), (132, 10536110), (143, 9725640), (156, 8915170), (165, 8428888), (195, 7132136), (220, 6321666), (260, 5349102), (264, 5268055), (286, 4862820), (312, 4457585), (330, 4214444), (390, 3566068), (429, 3241880), (440, 3160833), (520, 2674551), (572, 2431410), (660, 2107222), (715, 1945128), (780, 1783034), (858, 1620940), (1144, 1215705), (1320, 1053611), (1430, 972564), (1560, 891517), (1716, 810470), (2145, 648376), (2860, 486282), (3432, 405235), (4290, 324188), (5720, 243141), (8580, 162094), (17160, 81047)]