248038440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:304

約数の個数: 256

約数和(自身を含む): 867041280

約数和(自身を除く): 619002840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 31, 39, 40, 46, 52, 60, 62, 65, 69, 78, 92, 93, 104, 115, 120, 124, 130, 138, 155, 156, 184, 186, 195, 223, 230, 248, 260, 276, 299, 310, 312, 345, 372, 390, 403, 446, 460, 465, 520, 552, 598, 620, 669, 690, 713, 744, 780, 806, 892, 897, 920, 930, 1115, 1196, 1209, 1240, 1338, 1380, 1426, 1495, 1560, 1612, 1784, 1794, 1860, 2015, 2139, 2230, 2392, 2418, 2676, 2760, 2852, 2899, 2990, 3224, 3345, 3565, 3588, 3720, 4030, 4278, 4460, 4485, 4836, 5129, 5352, 5704, 5798, 5980, 6045, 6690, 6913, 7130, 7176, 8060, 8556, 8697, 8920, 8970, 9269, 9672, 10258, 10695, 11596, 11960, 12090, 13380, 13826, 14260, 14495, 15387, 16120, 17112, 17394, 17940, 18538, 20516, 20739, 21390, 23192, 24180, 25645, 26760, 27652, 27807, 28520, 28990, 30774, 34565, 34788, 35880, 37076, 41032, 41478, 42780, 43485, 46345, 48360, 51290, 55304, 55614, 57980, 61548, 66677, 69130, 69576, 74152, 76935, 82956, 85560, 86970, 89869, 92690, 102580, 103695, 111228, 115960, 123096, 133354, 138260, 139035, 153870, 158999, 165912, 173940, 179738, 185380, 200031, 205160, 207390, 222456, 266708, 269607, 276520, 278070, 307740, 317998, 333385, 347880, 359476, 370760, 400062, 414780, 449345, 476997, 533416, 539214, 556140, 615480, 635996, 666770, 718952, 794995, 800124, 829560, 898690, 953994, 1000155, 1078428, 1112280, 1271992, 1333540, 1348035, 1589990, 1600248, 1797380, 1907988, 2000310, 2066987, 2156856, 2384985, 2667080, 2696070, 3179980, 3594760, 3815976, 4000620, 4133974, 4769970, 5392140, 6200961, 6359960, 8001240, 8267948, 9539940, 10334935, 10784280, 12401922, 16535896, 19079880, 20669870, 24803844, 31004805, 41339740, 49607688, 62009610, 82679480, 124019220, 248038440]

約数ペア:

[(1, 248038440), (2, 124019220), (3, 82679480), (4, 62009610), (5, 49607688), (6, 41339740), (8, 31004805), (10, 24803844), (12, 20669870), (13, 19079880), (15, 16535896), (20, 12401922), (23, 10784280), (24, 10334935), (26, 9539940), (30, 8267948), (31, 8001240), (39, 6359960), (40, 6200961), (46, 5392140), (52, 4769970), (60, 4133974), (62, 4000620), (65, 3815976), (69, 3594760), (78, 3179980), (92, 2696070), (93, 2667080), (104, 2384985), (115, 2156856), (120, 2066987), (124, 2000310), (130, 1907988), (138, 1797380), (155, 1600248), (156, 1589990), (184, 1348035), (186, 1333540), (195, 1271992), (223, 1112280), (230, 1078428), (248, 1000155), (260, 953994), (276, 898690), (299, 829560), (310, 800124), (312, 794995), (345, 718952), (372, 666770), (390, 635996), (403, 615480), (446, 556140), (460, 539214), (465, 533416), (520, 476997), (552, 449345), (598, 414780), (620, 400062), (669, 370760), (690, 359476), (713, 347880), (744, 333385), (780, 317998), (806, 307740), (892, 278070), (897, 276520), (920, 269607), (930, 266708), (1115, 222456), (1196, 207390), (1209, 205160), (1240, 200031), (1338, 185380), (1380, 179738), (1426, 173940), (1495, 165912), (1560, 158999), (1612, 153870), (1784, 139035), (1794, 138260), (1860, 133354), (2015, 123096), (2139, 115960), (2230, 111228), (2392, 103695), (2418, 102580), (2676, 92690), (2760, 89869), (2852, 86970), (2899, 85560), (2990, 82956), (3224, 76935), (3345, 74152), (3565, 69576), (3588, 69130), (3720, 66677), (4030, 61548), (4278, 57980), (4460, 55614), (4485, 55304), (4836, 51290), (5129, 48360), (5352, 46345), (5704, 43485), (5798, 42780), (5980, 41478), (6045, 41032), (6690, 37076), (6913, 35880), (7130, 34788), (7176, 34565), (8060, 30774), (8556, 28990), (8697, 28520), (8920, 27807), (8970, 27652), (9269, 26760), (9672, 25645), (10258, 24180), (10695, 23192), (11596, 21390), (11960, 20739), (12090, 20516), (13380, 18538), (13826, 17940), (14260, 17394), (14495, 17112), (15387, 16120)]