315097520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{207301}}^1$

素因数の和:207333

約数の個数: 40

約数和(自身を含む): 771163440

約数和(自身を除く): 456065920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 207301, 414602, 829204, 1036505, 1658408, 2073010, 3316816, 3938719, 4146020, 7877438, 8292040, 15754876, 16584080, 19693595, 31509752, 39387190, 63019504, 78774380, 157548760, 315097520]

約数ペア:

[(1, 315097520), (2, 157548760), (4, 78774380), (5, 63019504), (8, 39387190), (10, 31509752), (16, 19693595), (19, 16584080), (20, 15754876), (38, 8292040), (40, 7877438), (76, 4146020), (80, 3938719), (95, 3316816), (152, 2073010), (190, 1658408), (304, 1036505), (380, 829204), (760, 414602), (1520, 207301)]