681274720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:597

約数の個数: 192

約数和(自身を含む): 1959552000

約数和(自身を除く): 1278277280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 53, 56, 70, 80, 92, 106, 112, 115, 140, 160, 161, 184, 212, 224, 230, 265, 280, 322, 368, 371, 424, 460, 499, 530, 560, 644, 736, 742, 805, 848, 920, 998, 1060, 1120, 1219, 1288, 1484, 1610, 1696, 1840, 1855, 1996, 2120, 2438, 2495, 2576, 2968, 3220, 3493, 3680, 3710, 3992, 4240, 4876, 4990, 5152, 5936, 6095, 6440, 6986, 7420, 7984, 8480, 8533, 9752, 9980, 11477, 11872, 12190, 12880, 13972, 14840, 15968, 17066, 17465, 19504, 19960, 22954, 24380, 25760, 26447, 27944, 29680, 34132, 34930, 39008, 39920, 42665, 45908, 48760, 52894, 55888, 57385, 59360, 68264, 69860, 79840, 80339, 85330, 91816, 97520, 105788, 111776, 114770, 132235, 136528, 139720, 160678, 170660, 183632, 185129, 195040, 211576, 229540, 264470, 273056, 279440, 321356, 341320, 367264, 370258, 401695, 423152, 459080, 528940, 558880, 608281, 642712, 682640, 740516, 803390, 846304, 918160, 925645, 1057880, 1216562, 1285424, 1365280, 1481032, 1606780, 1836320, 1851290, 2115760, 2433124, 2570848, 2962064, 3041405, 3213560, 3702580, 4231520, 4257967, 4866248, 5924128, 6082810, 6427120, 7405160, 8515934, 9732496, 12165620, 12854240, 14810320, 17031868, 19464992, 21289835, 24331240, 29620640, 34063736, 42579670, 48662480, 68127472, 85159340, 97324960, 136254944, 170318680, 340637360, 681274720]

約数ペア:

[(1, 681274720), (2, 340637360), (4, 170318680), (5, 136254944), (7, 97324960), (8, 85159340), (10, 68127472), (14, 48662480), (16, 42579670), (20, 34063736), (23, 29620640), (28, 24331240), (32, 21289835), (35, 19464992), (40, 17031868), (46, 14810320), (53, 12854240), (56, 12165620), (70, 9732496), (80, 8515934), (92, 7405160), (106, 6427120), (112, 6082810), (115, 5924128), (140, 4866248), (160, 4257967), (161, 4231520), (184, 3702580), (212, 3213560), (224, 3041405), (230, 2962064), (265, 2570848), (280, 2433124), (322, 2115760), (368, 1851290), (371, 1836320), (424, 1606780), (460, 1481032), (499, 1365280), (530, 1285424), (560, 1216562), (644, 1057880), (736, 925645), (742, 918160), (805, 846304), (848, 803390), (920, 740516), (998, 682640), (1060, 642712), (1120, 608281), (1219, 558880), (1288, 528940), (1484, 459080), (1610, 423152), (1696, 401695), (1840, 370258), (1855, 367264), (1996, 341320), (2120, 321356), (2438, 279440), (2495, 273056), (2576, 264470), (2968, 229540), (3220, 211576), (3493, 195040), (3680, 185129), (3710, 183632), (3992, 170660), (4240, 160678), (4876, 139720), (4990, 136528), (5152, 132235), (5936, 114770), (6095, 111776), (6440, 105788), (6986, 97520), (7420, 91816), (7984, 85330), (8480, 80339), (8533, 79840), (9752, 69860), (9980, 68264), (11477, 59360), (11872, 57385), (12190, 55888), (12880, 52894), (13972, 48760), (14840, 45908), (15968, 42665), (17066, 39920), (17465, 39008), (19504, 34930), (19960, 34132), (22954, 29680), (24380, 27944), (25760, 26447)]