18716640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{38993}}^1$

素因数の和:39011

約数の個数: 48

約数和(自身を含む): 58958928

約数和(自身を除く): 40242288

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, 38993, 77986, 116979, 155972, 194965, 233958, 311944, 389930, 467916, 584895, 623888, 779860, 935832, 1169790, 1247776, 1559720, 1871664, 2339580, 3119440, 3743328, 4679160, 6238880, 9358320, 18716640]

約数ペア:

[(1, 18716640), (2, 9358320), (3, 6238880), (4, 4679160), (5, 3743328), (6, 3119440), (8, 2339580), (10, 1871664), (12, 1559720), (15, 1247776), (16, 1169790), (20, 935832), (24, 779860), (30, 623888), (32, 584895), (40, 467916), (48, 389930), (60, 311944), (80, 233958), (96, 194965), (120, 155972), (160, 116979), (240, 77986), (480, 38993)]