64719748720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{85817}}^1$

素因数の和:86698

約数の個数: 80

約数和(自身を含む): 164346275808

約数和(自身を除く): 99626527088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 857, 880, 1714, 3428, 4285, 6856, 8570, 9427, 13712, 17140, 18854, 34280, 37708, 47135, 68560, 75416, 85817, 94270, 150832, 171634, 188540, 343268, 377080, 429085, 686536, 754160, 858170, 943987, 1373072, 1716340, 1887974, 3432680, 3775948, 4719935, 6865360, 7551896, 9439870, 15103792, 18879740, 37759480, 73545169, 75518960, 147090338, 294180676, 367725845, 588361352, 735451690, 808996859, 1176722704, 1470903380, 1617993718, 2941806760, 3235987436, 4044984295, 5883613520, 6471974872, 8089968590, 12943949744, 16179937180, 32359874360, 64719748720]

約数ペア:

[(1, 64719748720), (2, 32359874360), (4, 16179937180), (5, 12943949744), (8, 8089968590), (10, 6471974872), (11, 5883613520), (16, 4044984295), (20, 3235987436), (22, 2941806760), (40, 1617993718), (44, 1470903380), (55, 1176722704), (80, 808996859), (88, 735451690), (110, 588361352), (176, 367725845), (220, 294180676), (440, 147090338), (857, 75518960), (880, 73545169), (1714, 37759480), (3428, 18879740), (4285, 15103792), (6856, 9439870), (8570, 7551896), (9427, 6865360), (13712, 4719935), (17140, 3775948), (18854, 3432680), (34280, 1887974), (37708, 1716340), (47135, 1373072), (68560, 943987), (75416, 858170), (85817, 754160), (94270, 686536), (150832, 429085), (171634, 377080), (188540, 343268)]