305131567120

素因数分解:

$2^4\times 5^1\times {\mathrm{16189}}^1\times {\mathrm{235601}}^1$

素因数の和:251803

約数の個数: 40

約数和(自身を含む): 709477726680

約数和(自身を除く): 404346159560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16189, 32378, 64756, 80945, 129512, 161890, 235601, 259024, 323780, 471202, 647560, 942404, 1178005, 1295120, 1884808, 2356010, 3769616, 4712020, 9424040, 18848080, 3814144589, 7628289178, 15256578356, 19070722945, 30513156712, 38141445890, 61026313424, 76282891780, 152565783560, 305131567120]

約数ペア:

[(1, 305131567120), (2, 152565783560), (4, 76282891780), (5, 61026313424), (8, 38141445890), (10, 30513156712), (16, 19070722945), (20, 15256578356), (40, 7628289178), (80, 3814144589), (16189, 18848080), (32378, 9424040), (64756, 4712020), (80945, 3769616), (129512, 2356010), (161890, 1884808), (235601, 1295120), (259024, 1178005), (323780, 942404), (471202, 647560)]