478320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1993}}^1$

素因数の和:2009

約数の個数: 40

約数和(自身を含む): 1483536

約数和(自身を除く): 1005216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1993, 3986, 5979, 7972, 9965, 11958, 15944, 19930, 23916, 29895, 31888, 39860, 47832, 59790, 79720, 95664, 119580, 159440, 239160, 478320]

約数ペア:

[(1, 478320), (2, 239160), (3, 159440), (4, 119580), (5, 95664), (6, 79720), (8, 59790), (10, 47832), (12, 39860), (15, 31888), (16, 29895), (20, 23916), (24, 19930), (30, 15944), (40, 11958), (48, 9965), (60, 7972), (80, 5979), (120, 3986), (240, 1993)]