254239440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1663}}^1$

素因数の和:1706

約数の個数: 240

約数和(自身を含む): 987936768

約数和(自身を除く): 733697328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 420, 455, 490, 520, 546, 560, 588, 624, 637, 728, 735, 780, 784, 840, 910, 980, 1040, 1092, 1176, 1274, 1365, 1456, 1470, 1560, 1663, 1680, 1820, 1911, 1960, 2184, 2352, 2548, 2730, 2940, 3120, 3185, 3326, 3640, 3822, 3920, 4368, 4989, 5096, 5460, 5880, 6370, 6652, 7280, 7644, 8315, 9555, 9978, 10192, 10920, 11641, 11760, 12740, 13304, 15288, 16630, 19110, 19956, 21619, 21840, 23282, 24945, 25480, 26608, 30576, 33260, 34923, 38220, 39912, 43238, 46564, 49890, 50960, 58205, 64857, 66520, 69846, 76440, 79824, 81487, 86476, 93128, 99780, 108095, 116410, 129714, 133040, 139692, 151333, 152880, 162974, 172952, 174615, 186256, 199560, 216190, 232820, 244461, 259428, 279384, 302666, 324285, 325948, 345904, 349230, 399120, 407435, 432380, 453999, 465640, 488922, 518856, 558768, 605332, 648570, 651896, 698460, 756665, 814870, 864760, 907998, 931280, 977844, 1037712, 1059331, 1210664, 1222305, 1297140, 1303792, 1396920, 1513330, 1629740, 1729520, 1815996, 1955688, 2118662, 2269995, 2421328, 2444610, 2594280, 2793840, 3026660, 3177993, 3259480, 3631992, 3911376, 4237324, 4539990, 4889220, 5188560, 5296655, 6053320, 6355986, 6518960, 7263984, 8474648, 9079980, 9778440, 10593310, 12106640, 12711972, 15889965, 16949296, 18159960, 19556880, 21186620, 25423944, 31779930, 36319920, 42373240, 50847888, 63559860, 84746480, 127119720, 254239440]

約数ペア:

[(1, 254239440), (2, 127119720), (3, 84746480), (4, 63559860), (5, 50847888), (6, 42373240), (7, 36319920), (8, 31779930), (10, 25423944), (12, 21186620), (13, 19556880), (14, 18159960), (15, 16949296), (16, 15889965), (20, 12711972), (21, 12106640), (24, 10593310), (26, 9778440), (28, 9079980), (30, 8474648), (35, 7263984), (39, 6518960), (40, 6355986), (42, 6053320), (48, 5296655), (49, 5188560), (52, 4889220), (56, 4539990), (60, 4237324), (65, 3911376), (70, 3631992), (78, 3259480), (80, 3177993), (84, 3026660), (91, 2793840), (98, 2594280), (104, 2444610), (105, 2421328), (112, 2269995), (120, 2118662), (130, 1955688), (140, 1815996), (147, 1729520), (156, 1629740), (168, 1513330), (182, 1396920), (195, 1303792), (196, 1297140), (208, 1222305), (210, 1210664), (240, 1059331), (245, 1037712), (260, 977844), (273, 931280), (280, 907998), (294, 864760), (312, 814870), (336, 756665), (364, 698460), (390, 651896), (392, 648570), (420, 605332), (455, 558768), (490, 518856), (520, 488922), (546, 465640), (560, 453999), (588, 432380), (624, 407435), (637, 399120), (728, 349230), (735, 345904), (780, 325948), (784, 324285), (840, 302666), (910, 279384), (980, 259428), (1040, 244461), (1092, 232820), (1176, 216190), (1274, 199560), (1365, 186256), (1456, 174615), (1470, 172952), (1560, 162974), (1663, 152880), (1680, 151333), (1820, 139692), (1911, 133040), (1960, 129714), (2184, 116410), (2352, 108095), (2548, 99780), (2730, 93128), (2940, 86476), (3120, 81487), (3185, 79824), (3326, 76440), (3640, 69846), (3822, 66520), (3920, 64857), (4368, 58205), (4989, 50960), (5096, 49890), (5460, 46564), (5880, 43238), (6370, 39912), (6652, 38220), (7280, 34923), (7644, 33260), (8315, 30576), (9555, 26608), (9978, 25480), (10192, 24945), (10920, 23282), (11641, 21840), (11760, 21619), (12740, 19956), (13304, 19110), (15288, 16630)]