15861040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 40372416

約数和(自身を除く): 24511376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 151, 202, 208, 260, 302, 404, 505, 520, 604, 755, 808, 1010, 1040, 1208, 1313, 1510, 1616, 1963, 2020, 2416, 2626, 3020, 3926, 4040, 5252, 6040, 6565, 7852, 8080, 9815, 10504, 12080, 13130, 15251, 15704, 19630, 21008, 26260, 30502, 31408, 39260, 52520, 61004, 76255, 78520, 105040, 122008, 152510, 157040, 198263, 244016, 305020, 396526, 610040, 793052, 991315, 1220080, 1586104, 1982630, 3172208, 3965260, 7930520, 15861040]

約数ペア:

[(1, 15861040), (2, 7930520), (4, 3965260), (5, 3172208), (8, 1982630), (10, 1586104), (13, 1220080), (16, 991315), (20, 793052), (26, 610040), (40, 396526), (52, 305020), (65, 244016), (80, 198263), (101, 157040), (104, 152510), (130, 122008), (151, 105040), (202, 78520), (208, 76255), (260, 61004), (302, 52520), (404, 39260), (505, 31408), (520, 30502), (604, 26260), (755, 21008), (808, 19630), (1010, 15704), (1040, 15251), (1208, 13130), (1313, 12080), (1510, 10504), (1616, 9815), (1963, 8080), (2020, 7852), (2416, 6565), (2626, 6040), (3020, 5252), (3926, 4040)]