68775200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 144

約数和(自身を含む): 191940840

約数和(自身を除く): 123165640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 160, 170, 200, 208, 221, 260, 272, 325, 340, 389, 400, 416, 425, 442, 520, 544, 650, 680, 778, 800, 850, 884, 1040, 1105, 1300, 1360, 1556, 1700, 1768, 1945, 2080, 2210, 2600, 2720, 3112, 3400, 3536, 3890, 4420, 5057, 5200, 5525, 6224, 6613, 6800, 7072, 7780, 8840, 9725, 10114, 10400, 11050, 12448, 13226, 13600, 15560, 17680, 19450, 20228, 22100, 25285, 26452, 31120, 33065, 35360, 38900, 40456, 44200, 50570, 52904, 62240, 66130, 77800, 80912, 85969, 88400, 101140, 105808, 126425, 132260, 155600, 161824, 165325, 171938, 176800, 202280, 211616, 252850, 264520, 311200, 330650, 343876, 404560, 429845, 505700, 529040, 661300, 687752, 809120, 859690, 1011400, 1058080, 1322600, 1375504, 1719380, 2022800, 2149225, 2645200, 2751008, 3438760, 4045600, 4298450, 5290400, 6877520, 8596900, 13755040, 17193800, 34387600, 68775200]

約数ペア:

[(1, 68775200), (2, 34387600), (4, 17193800), (5, 13755040), (8, 8596900), (10, 6877520), (13, 5290400), (16, 4298450), (17, 4045600), (20, 3438760), (25, 2751008), (26, 2645200), (32, 2149225), (34, 2022800), (40, 1719380), (50, 1375504), (52, 1322600), (65, 1058080), (68, 1011400), (80, 859690), (85, 809120), (100, 687752), (104, 661300), (130, 529040), (136, 505700), (160, 429845), (170, 404560), (200, 343876), (208, 330650), (221, 311200), (260, 264520), (272, 252850), (325, 211616), (340, 202280), (389, 176800), (400, 171938), (416, 165325), (425, 161824), (442, 155600), (520, 132260), (544, 126425), (650, 105808), (680, 101140), (778, 88400), (800, 85969), (850, 80912), (884, 77800), (1040, 66130), (1105, 62240), (1300, 52904), (1360, 50570), (1556, 44200), (1700, 40456), (1768, 38900), (1945, 35360), (2080, 33065), (2210, 31120), (2600, 26452), (2720, 25285), (3112, 22100), (3400, 20228), (3536, 19450), (3890, 17680), (4420, 15560), (5057, 13600), (5200, 13226), (5525, 12448), (6224, 11050), (6613, 10400), (6800, 10114), (7072, 9725), (7780, 8840)]