129632640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:760

約数の個数: 128

約数和(自身を含む): 417726720

約数和(自身を除く): 288094080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 128, 160, 192, 214, 240, 320, 321, 384, 428, 480, 535, 631, 640, 642, 856, 960, 1070, 1262, 1284, 1605, 1712, 1893, 1920, 2140, 2524, 2568, 3155, 3210, 3424, 3786, 4280, 5048, 5136, 6310, 6420, 6848, 7572, 8560, 9465, 10096, 10272, 12620, 12840, 13696, 15144, 17120, 18930, 20192, 20544, 25240, 25680, 30288, 34240, 37860, 40384, 41088, 50480, 51360, 60576, 67517, 68480, 75720, 80768, 100960, 102720, 121152, 135034, 151440, 201920, 202551, 205440, 242304, 270068, 302880, 337585, 403840, 405102, 540136, 605760, 675170, 810204, 1012755, 1080272, 1211520, 1350340, 1620408, 2025510, 2160544, 2700680, 3240816, 4051020, 4321088, 5401360, 6481632, 8102040, 8642176, 10802720, 12963264, 16204080, 21605440, 25926528, 32408160, 43210880, 64816320, 129632640]

約数ペア:

[(1, 129632640), (2, 64816320), (3, 43210880), (4, 32408160), (5, 25926528), (6, 21605440), (8, 16204080), (10, 12963264), (12, 10802720), (15, 8642176), (16, 8102040), (20, 6481632), (24, 5401360), (30, 4321088), (32, 4051020), (40, 3240816), (48, 2700680), (60, 2160544), (64, 2025510), (80, 1620408), (96, 1350340), (107, 1211520), (120, 1080272), (128, 1012755), (160, 810204), (192, 675170), (214, 605760), (240, 540136), (320, 405102), (321, 403840), (384, 337585), (428, 302880), (480, 270068), (535, 242304), (631, 205440), (640, 202551), (642, 201920), (856, 151440), (960, 135034), (1070, 121152), (1262, 102720), (1284, 100960), (1605, 80768), (1712, 75720), (1893, 68480), (1920, 67517), (2140, 60576), (2524, 51360), (2568, 50480), (3155, 41088), (3210, 40384), (3424, 37860), (3786, 34240), (4280, 30288), (5048, 25680), (5136, 25240), (6310, 20544), (6420, 20192), (6848, 18930), (7572, 17120), (8560, 15144), (9465, 13696), (10096, 12840), (10272, 12620)]