15638747392

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{20479}}^1$

素因数の和:20671

約数の個数: 72

約数和(自身を含む): 33070284800

約数和(自身を除く): 17431537408

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 157, 256, 304, 314, 608, 628, 1216, 1256, 2432, 2512, 2983, 4864, 5024, 5966, 10048, 11932, 20096, 20479, 23864, 40192, 40958, 47728, 81916, 95456, 163832, 190912, 327664, 381824, 389101, 655328, 763648, 778202, 1310656, 1556404, 2621312, 3112808, 3215203, 5242624, 6225616, 6430406, 12451232, 12860812, 24902464, 25721624, 49804928, 51443248, 61088857, 99609856, 102886496, 122177714, 205772992, 244355428, 411545984, 488710856, 823091968, 977421712, 1954843424, 3909686848, 7819373696, 15638747392]

約数ペア:

[(1, 15638747392), (2, 7819373696), (4, 3909686848), (8, 1954843424), (16, 977421712), (19, 823091968), (32, 488710856), (38, 411545984), (64, 244355428), (76, 205772992), (128, 122177714), (152, 102886496), (157, 99609856), (256, 61088857), (304, 51443248), (314, 49804928), (608, 25721624), (628, 24902464), (1216, 12860812), (1256, 12451232), (2432, 6430406), (2512, 6225616), (2983, 5242624), (4864, 3215203), (5024, 3112808), (5966, 2621312), (10048, 1556404), (11932, 1310656), (20096, 778202), (20479, 763648), (23864, 655328), (40192, 389101), (40958, 381824), (47728, 327664), (81916, 190912), (95456, 163832)]