331447480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 256

約数和(自身を含む): 992839680

約数和(自身を除く): 661392200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 37, 40, 46, 52, 56, 65, 70, 74, 91, 92, 104, 107, 115, 130, 140, 148, 161, 182, 184, 185, 214, 230, 259, 260, 280, 296, 299, 322, 364, 370, 428, 455, 460, 481, 518, 520, 535, 598, 644, 728, 740, 749, 805, 851, 856, 910, 920, 962, 1036, 1070, 1196, 1288, 1295, 1391, 1480, 1495, 1498, 1610, 1702, 1820, 1924, 2072, 2093, 2140, 2392, 2405, 2461, 2590, 2782, 2990, 2996, 3220, 3367, 3404, 3640, 3745, 3848, 3959, 4186, 4255, 4280, 4810, 4922, 5180, 5564, 5957, 5980, 5992, 6440, 6734, 6808, 6955, 7490, 7918, 8372, 8510, 9620, 9737, 9844, 10360, 10465, 11063, 11128, 11914, 11960, 12305, 13468, 13910, 14980, 15836, 16744, 16835, 17020, 17227, 19240, 19474, 19688, 19795, 20930, 22126, 23828, 24610, 26936, 27713, 27820, 29785, 29960, 31672, 31993, 33670, 34040, 34454, 38948, 39590, 41860, 44252, 47656, 48685, 49220, 51467, 55315, 55426, 55640, 59570, 63986, 67340, 68908, 77441, 77896, 79180, 83720, 86135, 88504, 91057, 97370, 98440, 102934, 110630, 110852, 119140, 127972, 134680, 137816, 138565, 154882, 158360, 159965, 172270, 182114, 194740, 205868, 221260, 221704, 223951, 238280, 255944, 257335, 277130, 309764, 319930, 344540, 360269, 364228, 387205, 389480, 411736, 442520, 447902, 455285, 514670, 554260, 619528, 637399, 639860, 689080, 720538, 728456, 774410, 895804, 910570, 1029340, 1108520, 1119755, 1183741, 1274798, 1279720, 1441076, 1548820, 1791608, 1801345, 1821140, 2058680, 2239510, 2367482, 2549596, 2882152, 3097640, 3186995, 3602690, 3642280, 4479020, 4734964, 5099192, 5918705, 6373990, 7205380, 8286187, 8958040, 9469928, 11837410, 12747980, 14410760, 16572374, 23674820, 25495960, 33144748, 41430935, 47349640, 66289496, 82861870, 165723740, 331447480]

約数ペア:

[(1, 331447480), (2, 165723740), (4, 82861870), (5, 66289496), (7, 47349640), (8, 41430935), (10, 33144748), (13, 25495960), (14, 23674820), (20, 16572374), (23, 14410760), (26, 12747980), (28, 11837410), (35, 9469928), (37, 8958040), (40, 8286187), (46, 7205380), (52, 6373990), (56, 5918705), (65, 5099192), (70, 4734964), (74, 4479020), (91, 3642280), (92, 3602690), (104, 3186995), (107, 3097640), (115, 2882152), (130, 2549596), (140, 2367482), (148, 2239510), (161, 2058680), (182, 1821140), (184, 1801345), (185, 1791608), (214, 1548820), (230, 1441076), (259, 1279720), (260, 1274798), (280, 1183741), (296, 1119755), (299, 1108520), (322, 1029340), (364, 910570), (370, 895804), (428, 774410), (455, 728456), (460, 720538), (481, 689080), (518, 639860), (520, 637399), (535, 619528), (598, 554260), (644, 514670), (728, 455285), (740, 447902), (749, 442520), (805, 411736), (851, 389480), (856, 387205), (910, 364228), (920, 360269), (962, 344540), (1036, 319930), (1070, 309764), (1196, 277130), (1288, 257335), (1295, 255944), (1391, 238280), (1480, 223951), (1495, 221704), (1498, 221260), (1610, 205868), (1702, 194740), (1820, 182114), (1924, 172270), (2072, 159965), (2093, 158360), (2140, 154882), (2392, 138565), (2405, 137816), (2461, 134680), (2590, 127972), (2782, 119140), (2990, 110852), (2996, 110630), (3220, 102934), (3367, 98440), (3404, 97370), (3640, 91057), (3745, 88504), (3848, 86135), (3959, 83720), (4186, 79180), (4255, 77896), (4280, 77441), (4810, 68908), (4922, 67340), (5180, 63986), (5564, 59570), (5957, 55640), (5980, 55426), (5992, 55315), (6440, 51467), (6734, 49220), (6808, 48685), (6955, 47656), (7490, 44252), (7918, 41860), (8372, 39590), (8510, 38948), (9620, 34454), (9737, 34040), (9844, 33670), (10360, 31993), (10465, 31672), (11063, 29960), (11128, 29785), (11914, 27820), (11960, 27713), (12305, 26936), (13468, 24610), (13910, 23828), (14980, 22126), (15836, 20930), (16744, 19795), (16835, 19688), (17020, 19474), (17227, 19240)]