639018720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{49307}}^1$

素因数の和:49334

約数の個数: 120

約数和(自身を含む): 2255249304

約数和(自身を除く): 1616230584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 49307, 98614, 147921, 197228, 246535, 295842, 394456, 443763, 493070, 591684, 739605, 788912, 887526, 986140, 1183368, 1331289, 1479210, 1577824, 1775052, 1972280, 2218815, 2366736, 2662578, 2958420, 3550104, 3944560, 3993867, 4437630, 4733472, 5325156, 5916840, 6656445, 7100208, 7889120, 7987734, 8875260, 10650312, 11833680, 13312890, 14200416, 15975468, 17750520, 19969335, 21300624, 23667360, 26625780, 31950936, 35501040, 39938670, 42601248, 53251560, 63901872, 71002080, 79877340, 106503120, 127803744, 159754680, 213006240, 319509360, 639018720]

約数ペア:

[(1, 639018720), (2, 319509360), (3, 213006240), (4, 159754680), (5, 127803744), (6, 106503120), (8, 79877340), (9, 71002080), (10, 63901872), (12, 53251560), (15, 42601248), (16, 39938670), (18, 35501040), (20, 31950936), (24, 26625780), (27, 23667360), (30, 21300624), (32, 19969335), (36, 17750520), (40, 15975468), (45, 14200416), (48, 13312890), (54, 11833680), (60, 10650312), (72, 8875260), (80, 7987734), (81, 7889120), (90, 7100208), (96, 6656445), (108, 5916840), (120, 5325156), (135, 4733472), (144, 4437630), (160, 3993867), (162, 3944560), (180, 3550104), (216, 2958420), (240, 2662578), (270, 2366736), (288, 2218815), (324, 1972280), (360, 1775052), (405, 1577824), (432, 1479210), (480, 1331289), (540, 1183368), (648, 986140), (720, 887526), (810, 788912), (864, 739605), (1080, 591684), (1296, 493070), (1440, 443763), (1620, 394456), (2160, 295842), (2592, 246535), (3240, 197228), (4320, 147921), (6480, 98614), (12960, 49307)]