389278320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1621993}}^1$

素因数の和:1622009

約数の個数: 40

約数和(自身を含む): 1206763536

約数和(自身を除く): 817485216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1621993, 3243986, 4865979, 6487972, 8109965, 9731958, 12975944, 16219930, 19463916, 24329895, 25951888, 32439860, 38927832, 48659790, 64879720, 77855664, 97319580, 129759440, 194639160, 389278320]

約数ペア:

[(1, 389278320), (2, 194639160), (3, 129759440), (4, 97319580), (5, 77855664), (6, 64879720), (8, 48659790), (10, 38927832), (12, 32439860), (15, 25951888), (16, 24329895), (20, 19463916), (24, 16219930), (30, 12975944), (40, 9731958), (48, 8109965), (60, 6487972), (80, 4865979), (120, 3243986), (240, 1621993)]