281185120

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{701}}^1$

素因数の和:848

約数の個数: 96

約数和(自身を含む): 700539840

約数和(自身を除く): 419354720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 109, 115, 160, 184, 218, 230, 368, 436, 460, 545, 701, 736, 872, 920, 1090, 1402, 1744, 1840, 2180, 2507, 2804, 3488, 3505, 3680, 4360, 5014, 5608, 7010, 8720, 10028, 11216, 12535, 14020, 16123, 17440, 20056, 22432, 25070, 28040, 32246, 40112, 50140, 56080, 64492, 76409, 80224, 80615, 100280, 112160, 128984, 152818, 161230, 200560, 257968, 305636, 322460, 382045, 401120, 515936, 611272, 644920, 764090, 1222544, 1289840, 1528180, 1757407, 2445088, 2579680, 3056360, 3514814, 6112720, 7029628, 8787035, 12225440, 14059256, 17574070, 28118512, 35148140, 56237024, 70296280, 140592560, 281185120]

約数ペア:

[(1, 281185120), (2, 140592560), (4, 70296280), (5, 56237024), (8, 35148140), (10, 28118512), (16, 17574070), (20, 14059256), (23, 12225440), (32, 8787035), (40, 7029628), (46, 6112720), (80, 3514814), (92, 3056360), (109, 2579680), (115, 2445088), (160, 1757407), (184, 1528180), (218, 1289840), (230, 1222544), (368, 764090), (436, 644920), (460, 611272), (545, 515936), (701, 401120), (736, 382045), (872, 322460), (920, 305636), (1090, 257968), (1402, 200560), (1744, 161230), (1840, 152818), (2180, 128984), (2507, 112160), (2804, 100280), (3488, 80615), (3505, 80224), (3680, 76409), (4360, 64492), (5014, 56080), (5608, 50140), (7010, 40112), (8720, 32246), (10028, 28040), (11216, 25070), (12535, 22432), (14020, 20056), (16123, 17440)]