1310240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 3265920

約数和(自身を除く): 1955680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 431, 608, 760, 862, 1520, 1724, 2155, 3040, 3448, 4310, 6896, 8189, 8620, 13792, 16378, 17240, 32756, 34480, 40945, 65512, 68960, 81890, 131024, 163780, 262048, 327560, 655120, 1310240]

約数ペア:

[(1, 1310240), (2, 655120), (4, 327560), (5, 262048), (8, 163780), (10, 131024), (16, 81890), (19, 68960), (20, 65512), (32, 40945), (38, 34480), (40, 32756), (76, 17240), (80, 16378), (95, 13792), (152, 8620), (160, 8189), (190, 6896), (304, 4310), (380, 3448), (431, 3040), (608, 2155), (760, 1724), (862, 1520)]