31208760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 256

約数和(自身を含む): 118195200

約数和(自身を除く): 86986440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 37, 40, 44, 45, 54, 55, 60, 66, 71, 72, 74, 88, 90, 99, 108, 110, 111, 120, 132, 135, 142, 148, 165, 180, 185, 198, 213, 216, 220, 222, 264, 270, 284, 296, 297, 330, 333, 355, 360, 370, 396, 407, 426, 440, 444, 495, 540, 555, 568, 594, 639, 660, 666, 710, 740, 781, 792, 814, 852, 888, 990, 999, 1065, 1080, 1110, 1188, 1221, 1278, 1320, 1332, 1420, 1480, 1485, 1562, 1628, 1665, 1704, 1917, 1980, 1998, 2035, 2130, 2220, 2343, 2376, 2442, 2556, 2627, 2664, 2840, 2970, 3124, 3195, 3256, 3330, 3663, 3834, 3905, 3960, 3996, 4070, 4260, 4440, 4686, 4884, 4995, 5112, 5254, 5940, 6105, 6248, 6390, 6660, 7029, 7326, 7668, 7810, 7881, 7992, 8140, 8520, 9372, 9585, 9768, 9990, 10508, 10989, 11715, 11880, 12210, 12780, 13135, 13320, 14058, 14652, 15336, 15620, 15762, 16280, 18315, 18744, 19170, 19980, 21016, 21087, 21978, 23430, 23643, 24420, 25560, 26270, 28116, 28897, 29304, 31240, 31524, 35145, 36630, 38340, 39405, 39960, 42174, 43956, 46860, 47286, 48840, 52540, 54945, 56232, 57794, 63048, 70290, 70929, 73260, 76680, 78810, 84348, 86691, 87912, 93720, 94572, 105080, 105435, 109890, 115588, 118215, 140580, 141858, 144485, 146520, 157620, 168696, 173382, 189144, 210870, 219780, 231176, 236430, 260073, 281160, 283716, 288970, 315240, 346764, 354645, 421740, 433455, 439560, 472860, 520146, 567432, 577940, 693528, 709290, 780219, 843480, 866910, 945720, 1040292, 1155880, 1300365, 1418580, 1560438, 1733820, 2080584, 2600730, 2837160, 3120876, 3467640, 3901095, 5201460, 6241752, 7802190, 10402920, 15604380, 31208760]

約数ペア:

[(1, 31208760), (2, 15604380), (3, 10402920), (4, 7802190), (5, 6241752), (6, 5201460), (8, 3901095), (9, 3467640), (10, 3120876), (11, 2837160), (12, 2600730), (15, 2080584), (18, 1733820), (20, 1560438), (22, 1418580), (24, 1300365), (27, 1155880), (30, 1040292), (33, 945720), (36, 866910), (37, 843480), (40, 780219), (44, 709290), (45, 693528), (54, 577940), (55, 567432), (60, 520146), (66, 472860), (71, 439560), (72, 433455), (74, 421740), (88, 354645), (90, 346764), (99, 315240), (108, 288970), (110, 283716), (111, 281160), (120, 260073), (132, 236430), (135, 231176), (142, 219780), (148, 210870), (165, 189144), (180, 173382), (185, 168696), (198, 157620), (213, 146520), (216, 144485), (220, 141858), (222, 140580), (264, 118215), (270, 115588), (284, 109890), (296, 105435), (297, 105080), (330, 94572), (333, 93720), (355, 87912), (360, 86691), (370, 84348), (396, 78810), (407, 76680), (426, 73260), (440, 70929), (444, 70290), (495, 63048), (540, 57794), (555, 56232), (568, 54945), (594, 52540), (639, 48840), (660, 47286), (666, 46860), (710, 43956), (740, 42174), (781, 39960), (792, 39405), (814, 38340), (852, 36630), (888, 35145), (990, 31524), (999, 31240), (1065, 29304), (1080, 28897), (1110, 28116), (1188, 26270), (1221, 25560), (1278, 24420), (1320, 23643), (1332, 23430), (1420, 21978), (1480, 21087), (1485, 21016), (1562, 19980), (1628, 19170), (1665, 18744), (1704, 18315), (1917, 16280), (1980, 15762), (1998, 15620), (2035, 15336), (2130, 14652), (2220, 14058), (2343, 13320), (2376, 13135), (2442, 12780), (2556, 12210), (2627, 11880), (2664, 11715), (2840, 10989), (2970, 10508), (3124, 9990), (3195, 9768), (3256, 9585), (3330, 9372), (3663, 8520), (3834, 8140), (3905, 7992), (3960, 7881), (3996, 7810), (4070, 7668), (4260, 7326), (4440, 7029), (4686, 6660), (4884, 6390), (4995, 6248), (5112, 6105), (5254, 5940)]