258698320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:692

約数の個数: 80

約数和(自身を含む): 620674560

約数和(自身を除く): 361976240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 157, 172, 215, 314, 344, 430, 479, 628, 688, 785, 860, 958, 1256, 1570, 1720, 1916, 2395, 2512, 3140, 3440, 3832, 4790, 6280, 6751, 7664, 9580, 12560, 13502, 19160, 20597, 27004, 33755, 38320, 41194, 54008, 67510, 75203, 82388, 102985, 108016, 135020, 150406, 164776, 205970, 270040, 300812, 329552, 376015, 411940, 540080, 601624, 752030, 823880, 1203248, 1504060, 1647760, 3008120, 3233729, 6016240, 6467458, 12934916, 16168645, 25869832, 32337290, 51739664, 64674580, 129349160, 258698320]

約数ペア:

[(1, 258698320), (2, 129349160), (4, 64674580), (5, 51739664), (8, 32337290), (10, 25869832), (16, 16168645), (20, 12934916), (40, 6467458), (43, 6016240), (80, 3233729), (86, 3008120), (157, 1647760), (172, 1504060), (215, 1203248), (314, 823880), (344, 752030), (430, 601624), (479, 540080), (628, 411940), (688, 376015), (785, 329552), (860, 300812), (958, 270040), (1256, 205970), (1570, 164776), (1720, 150406), (1916, 135020), (2395, 108016), (2512, 102985), (3140, 82388), (3440, 75203), (3832, 67510), (4790, 54008), (6280, 41194), (6751, 38320), (7664, 33755), (9580, 27004), (12560, 20597), (13502, 19160)]