319491480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:590

約数の個数: 256

約数和(自身を含む): 1214300160

約数和(自身を除く): 894808680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 71, 77, 84, 88, 105, 110, 120, 132, 140, 142, 154, 165, 168, 210, 213, 220, 231, 264, 280, 284, 308, 330, 355, 385, 420, 426, 440, 462, 487, 497, 568, 616, 660, 710, 770, 781, 840, 852, 924, 974, 994, 1065, 1155, 1320, 1420, 1461, 1491, 1540, 1562, 1704, 1848, 1948, 1988, 2130, 2310, 2343, 2435, 2485, 2840, 2922, 2982, 3080, 3124, 3409, 3896, 3905, 3976, 4260, 4620, 4686, 4870, 4970, 5357, 5467, 5844, 5964, 6248, 6818, 7305, 7455, 7810, 8520, 9240, 9372, 9740, 9940, 10227, 10714, 10934, 11688, 11715, 11928, 13636, 14610, 14910, 15620, 16071, 16401, 17045, 18744, 19480, 19880, 20454, 21428, 21868, 23430, 26785, 27272, 27335, 29220, 29820, 31240, 32142, 32802, 34090, 34577, 37499, 40908, 42856, 43736, 46860, 51135, 53570, 54670, 58440, 59640, 64284, 65604, 68180, 69154, 74998, 80355, 81816, 82005, 93720, 102270, 103731, 107140, 109340, 112497, 128568, 131208, 136360, 138308, 149996, 160710, 164010, 172885, 187495, 204540, 207462, 214280, 218680, 224994, 242039, 276616, 299992, 321420, 328020, 345770, 374990, 380347, 409080, 414924, 449988, 484078, 518655, 562485, 642840, 656040, 691540, 726117, 749980, 760694, 829848, 899976, 968156, 1037310, 1124970, 1141041, 1210195, 1383080, 1452234, 1499960, 1521388, 1901735, 1936312, 2074620, 2249940, 2282082, 2420390, 2662429, 2904468, 3042776, 3630585, 3803470, 4149240, 4499880, 4564164, 4840780, 5324858, 5705205, 5808936, 7261170, 7606940, 7987287, 9128328, 9681560, 10649716, 11410410, 13312145, 14522340, 15213880, 15974574, 21299432, 22820820, 26624290, 29044680, 31949148, 39936435, 45641640, 53248580, 63898296, 79872870, 106497160, 159745740, 319491480]

約数ペア:

[(1, 319491480), (2, 159745740), (3, 106497160), (4, 79872870), (5, 63898296), (6, 53248580), (7, 45641640), (8, 39936435), (10, 31949148), (11, 29044680), (12, 26624290), (14, 22820820), (15, 21299432), (20, 15974574), (21, 15213880), (22, 14522340), (24, 13312145), (28, 11410410), (30, 10649716), (33, 9681560), (35, 9128328), (40, 7987287), (42, 7606940), (44, 7261170), (55, 5808936), (56, 5705205), (60, 5324858), (66, 4840780), (70, 4564164), (71, 4499880), (77, 4149240), (84, 3803470), (88, 3630585), (105, 3042776), (110, 2904468), (120, 2662429), (132, 2420390), (140, 2282082), (142, 2249940), (154, 2074620), (165, 1936312), (168, 1901735), (210, 1521388), (213, 1499960), (220, 1452234), (231, 1383080), (264, 1210195), (280, 1141041), (284, 1124970), (308, 1037310), (330, 968156), (355, 899976), (385, 829848), (420, 760694), (426, 749980), (440, 726117), (462, 691540), (487, 656040), (497, 642840), (568, 562485), (616, 518655), (660, 484078), (710, 449988), (770, 414924), (781, 409080), (840, 380347), (852, 374990), (924, 345770), (974, 328020), (994, 321420), (1065, 299992), (1155, 276616), (1320, 242039), (1420, 224994), (1461, 218680), (1491, 214280), (1540, 207462), (1562, 204540), (1704, 187495), (1848, 172885), (1948, 164010), (1988, 160710), (2130, 149996), (2310, 138308), (2343, 136360), (2435, 131208), (2485, 128568), (2840, 112497), (2922, 109340), (2982, 107140), (3080, 103731), (3124, 102270), (3409, 93720), (3896, 82005), (3905, 81816), (3976, 80355), (4260, 74998), (4620, 69154), (4686, 68180), (4870, 65604), (4970, 64284), (5357, 59640), (5467, 58440), (5844, 54670), (5964, 53570), (6248, 51135), (6818, 46860), (7305, 43736), (7455, 42856), (7810, 40908), (8520, 37499), (9240, 34577), (9372, 34090), (9740, 32802), (9940, 32142), (10227, 31240), (10714, 29820), (10934, 29220), (11688, 27335), (11715, 27272), (11928, 26785), (13636, 23430), (14610, 21868), (14910, 21428), (15620, 20454), (16071, 19880), (16401, 19480), (17045, 18744)]