253410160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{479}}^1$

素因数の和:898

約数の個数: 80

約数和(自身を含む): 626745600

約数和(自身を除く): 373335440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 389, 479, 680, 778, 958, 1360, 1556, 1916, 1945, 2395, 3112, 3832, 3890, 4790, 6224, 6613, 7664, 7780, 8143, 9580, 13226, 15560, 16286, 19160, 26452, 31120, 32572, 33065, 38320, 40715, 52904, 65144, 66130, 81430, 105808, 130288, 132260, 162860, 186331, 264520, 325720, 372662, 529040, 651440, 745324, 931655, 1490648, 1863310, 2981296, 3167627, 3726620, 6335254, 7453240, 12670508, 14906480, 15838135, 25341016, 31676270, 50682032, 63352540, 126705080, 253410160]

約数ペア:

[(1, 253410160), (2, 126705080), (4, 63352540), (5, 50682032), (8, 31676270), (10, 25341016), (16, 15838135), (17, 14906480), (20, 12670508), (34, 7453240), (40, 6335254), (68, 3726620), (80, 3167627), (85, 2981296), (136, 1863310), (170, 1490648), (272, 931655), (340, 745324), (389, 651440), (479, 529040), (680, 372662), (778, 325720), (958, 264520), (1360, 186331), (1556, 162860), (1916, 132260), (1945, 130288), (2395, 105808), (3112, 81430), (3832, 66130), (3890, 65144), (4790, 52904), (6224, 40715), (6613, 38320), (7664, 33065), (7780, 32572), (8143, 31120), (9580, 26452), (13226, 19160), (15560, 16286)]