128599520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:425

約数の個数: 144

約数和(自身を含む): 361972800

約数和(自身を除く): 233373280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 160, 188, 196, 224, 235, 245, 280, 329, 349, 376, 392, 470, 490, 560, 658, 698, 752, 784, 940, 980, 1120, 1316, 1396, 1504, 1568, 1645, 1745, 1880, 1960, 2303, 2443, 2632, 2792, 3290, 3490, 3760, 3920, 4606, 4886, 5264, 5584, 6580, 6980, 7520, 7840, 9212, 9772, 10528, 11168, 11515, 12215, 13160, 13960, 16403, 17101, 18424, 19544, 23030, 24430, 26320, 27920, 32806, 34202, 36848, 39088, 46060, 48860, 52640, 55840, 65612, 68404, 73696, 78176, 82015, 85505, 92120, 97720, 114821, 131224, 136808, 164030, 171010, 184240, 195440, 229642, 262448, 273616, 328060, 342020, 368480, 390880, 459284, 524896, 547232, 574105, 656120, 684040, 803747, 918568, 1148210, 1312240, 1368080, 1607494, 1837136, 2296420, 2624480, 2736160, 3214988, 3674272, 4018735, 4592840, 6429976, 8037470, 9185680, 12859952, 16074940, 18371360, 25719904, 32149880, 64299760, 128599520]

約数ペア:

[(1, 128599520), (2, 64299760), (4, 32149880), (5, 25719904), (7, 18371360), (8, 16074940), (10, 12859952), (14, 9185680), (16, 8037470), (20, 6429976), (28, 4592840), (32, 4018735), (35, 3674272), (40, 3214988), (47, 2736160), (49, 2624480), (56, 2296420), (70, 1837136), (80, 1607494), (94, 1368080), (98, 1312240), (112, 1148210), (140, 918568), (160, 803747), (188, 684040), (196, 656120), (224, 574105), (235, 547232), (245, 524896), (280, 459284), (329, 390880), (349, 368480), (376, 342020), (392, 328060), (470, 273616), (490, 262448), (560, 229642), (658, 195440), (698, 184240), (752, 171010), (784, 164030), (940, 136808), (980, 131224), (1120, 114821), (1316, 97720), (1396, 92120), (1504, 85505), (1568, 82015), (1645, 78176), (1745, 73696), (1880, 68404), (1960, 65612), (2303, 55840), (2443, 52640), (2632, 48860), (2792, 46060), (3290, 39088), (3490, 36848), (3760, 34202), (3920, 32806), (4606, 27920), (4886, 26320), (5264, 24430), (5584, 23030), (6580, 19544), (6980, 18424), (7520, 17101), (7840, 16403), (9212, 13960), (9772, 13160), (10528, 12215), (11168, 11515)]