1445600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:172

約数の個数: 72

約数和(自身を含む): 3827880

約数和(自身を除く): 2382280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 139, 160, 200, 208, 260, 278, 325, 400, 416, 520, 556, 650, 695, 800, 1040, 1112, 1300, 1390, 1807, 2080, 2224, 2600, 2780, 3475, 3614, 4448, 5200, 5560, 6950, 7228, 9035, 10400, 11120, 13900, 14456, 18070, 22240, 27800, 28912, 36140, 45175, 55600, 57824, 72280, 90350, 111200, 144560, 180700, 289120, 361400, 722800, 1445600]

約数ペア:

[(1, 1445600), (2, 722800), (4, 361400), (5, 289120), (8, 180700), (10, 144560), (13, 111200), (16, 90350), (20, 72280), (25, 57824), (26, 55600), (32, 45175), (40, 36140), (50, 28912), (52, 27800), (65, 22240), (80, 18070), (100, 14456), (104, 13900), (130, 11120), (139, 10400), (160, 9035), (200, 7228), (208, 6950), (260, 5560), (278, 5200), (325, 4448), (400, 3614), (416, 3475), (520, 2780), (556, 2600), (650, 2224), (695, 2080), (800, 1807), (1040, 1390), (1112, 1300)]