311955280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:693

約数の個数: 160

約数和(自身を含む): 906441984

約数和(自身を除く): 594486704

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 80, 91, 104, 112, 130, 140, 146, 182, 208, 260, 280, 292, 364, 365, 455, 511, 520, 560, 584, 587, 728, 730, 910, 949, 1022, 1040, 1168, 1174, 1456, 1460, 1820, 1898, 2044, 2348, 2555, 2920, 2935, 3640, 3796, 4088, 4109, 4696, 4745, 5110, 5840, 5870, 6643, 7280, 7592, 7631, 8176, 8218, 9392, 9490, 10220, 11740, 13286, 15184, 15262, 16436, 18980, 20440, 20545, 23480, 26572, 30524, 32872, 33215, 37960, 38155, 40880, 41090, 42851, 46960, 53144, 53417, 61048, 65744, 66430, 75920, 76310, 82180, 85702, 106288, 106834, 122096, 132860, 152620, 164360, 171404, 213668, 214255, 265720, 267085, 299957, 305240, 328720, 342808, 427336, 428510, 531440, 534170, 557063, 599914, 610480, 685616, 854672, 857020, 1068340, 1114126, 1199828, 1499785, 1714040, 2136680, 2228252, 2399656, 2785315, 2999570, 3428080, 3899441, 4273360, 4456504, 4799312, 5570630, 5999140, 7798882, 8913008, 11141260, 11998280, 15597764, 19497205, 22282520, 23996560, 31195528, 38994410, 44565040, 62391056, 77988820, 155977640, 311955280]

約数ペア:

[(1, 311955280), (2, 155977640), (4, 77988820), (5, 62391056), (7, 44565040), (8, 38994410), (10, 31195528), (13, 23996560), (14, 22282520), (16, 19497205), (20, 15597764), (26, 11998280), (28, 11141260), (35, 8913008), (40, 7798882), (52, 5999140), (56, 5570630), (65, 4799312), (70, 4456504), (73, 4273360), (80, 3899441), (91, 3428080), (104, 2999570), (112, 2785315), (130, 2399656), (140, 2228252), (146, 2136680), (182, 1714040), (208, 1499785), (260, 1199828), (280, 1114126), (292, 1068340), (364, 857020), (365, 854672), (455, 685616), (511, 610480), (520, 599914), (560, 557063), (584, 534170), (587, 531440), (728, 428510), (730, 427336), (910, 342808), (949, 328720), (1022, 305240), (1040, 299957), (1168, 267085), (1174, 265720), (1456, 214255), (1460, 213668), (1820, 171404), (1898, 164360), (2044, 152620), (2348, 132860), (2555, 122096), (2920, 106834), (2935, 106288), (3640, 85702), (3796, 82180), (4088, 76310), (4109, 75920), (4696, 66430), (4745, 65744), (5110, 61048), (5840, 53417), (5870, 53144), (6643, 46960), (7280, 42851), (7592, 41090), (7631, 40880), (8176, 38155), (8218, 37960), (9392, 33215), (9490, 32872), (10220, 30524), (11740, 26572), (13286, 23480), (15184, 20545), (15262, 20440), (16436, 18980)]