123836640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{257993}}^1$

素因数の和:258011

約数の個数: 48

約数和(自身を含む): 390086928

約数和(自身を除く): 266250288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 257993, 515986, 773979, 1031972, 1289965, 1547958, 2063944, 2579930, 3095916, 3869895, 4127888, 5159860, 6191832, 7739790, 8255776, 10319720, 12383664, 15479580, 20639440, 24767328, 30959160, 41278880, 61918320, 123836640]

約数ペア:

[(1, 123836640), (2, 61918320), (3, 41278880), (4, 30959160), (5, 24767328), (6, 20639440), (8, 15479580), (10, 12383664), (12, 10319720), (15, 8255776), (16, 7739790), (20, 6191832), (24, 5159860), (30, 4127888), (32, 3869895), (40, 3095916), (48, 2579930), (60, 2063944), (80, 1547958), (96, 1289965), (120, 1031972), (160, 773979), (240, 515986), (480, 257993)]