1283582720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{143257}}^1$

素因数の和:143285

約数の個数: 72

約数和(自身を含む): 3513832224

約数和(自身を除く): 2230249504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 143257, 286514, 573028, 716285, 1002799, 1146056, 1432570, 2005598, 2292112, 2865140, 4011196, 4584224, 5013995, 5730280, 8022392, 9168448, 10027990, 11460560, 16044784, 18336896, 20055980, 22921120, 32089568, 36673792, 40111960, 45842240, 64179136, 80223920, 91684480, 128358272, 160447840, 183368960, 256716544, 320895680, 641791360, 1283582720]

約数ペア:

[(1, 1283582720), (2, 641791360), (4, 320895680), (5, 256716544), (7, 183368960), (8, 160447840), (10, 128358272), (14, 91684480), (16, 80223920), (20, 64179136), (28, 45842240), (32, 40111960), (35, 36673792), (40, 32089568), (56, 22921120), (64, 20055980), (70, 18336896), (80, 16044784), (112, 11460560), (128, 10027990), (140, 9168448), (160, 8022392), (224, 5730280), (256, 5013995), (280, 4584224), (320, 4011196), (448, 2865140), (560, 2292112), (640, 2005598), (896, 1432570), (1120, 1146056), (1280, 1002799), (1792, 716285), (2240, 573028), (4480, 286514), (8960, 143257)]