254494240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 288

約数和(自身を含む): 825297984

約数和(自身を除く): 570803744

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 80, 88, 91, 98, 104, 110, 112, 130, 140, 143, 154, 160, 176, 182, 196, 208, 220, 224, 227, 245, 260, 280, 286, 308, 352, 364, 385, 392, 416, 440, 454, 455, 490, 520, 539, 560, 572, 616, 637, 715, 728, 770, 784, 880, 908, 910, 980, 1001, 1040, 1078, 1120, 1135, 1144, 1232, 1274, 1430, 1456, 1540, 1568, 1589, 1760, 1816, 1820, 1960, 2002, 2080, 2156, 2270, 2288, 2464, 2497, 2548, 2695, 2860, 2912, 2951, 3080, 3178, 3185, 3632, 3640, 3920, 4004, 4312, 4540, 4576, 4994, 5005, 5096, 5390, 5720, 5902, 6160, 6356, 6370, 7007, 7264, 7280, 7840, 7945, 8008, 8624, 9080, 9988, 10010, 10192, 10780, 11123, 11440, 11804, 12320, 12485, 12712, 12740, 14014, 14560, 14755, 15890, 16016, 17248, 17479, 18160, 19976, 20020, 20384, 20657, 21560, 22246, 22880, 23608, 24970, 25424, 25480, 28028, 29510, 31780, 32032, 32461, 34958, 35035, 36320, 39952, 40040, 41314, 43120, 44492, 47216, 49940, 50848, 50960, 55615, 56056, 59020, 63560, 64922, 69916, 70070, 79904, 80080, 82628, 86240, 87395, 88984, 94432, 99880, 101920, 103285, 111230, 112112, 118040, 122353, 127120, 129844, 139832, 140140, 144599, 160160, 162305, 165256, 174790, 177968, 199760, 206570, 222460, 224224, 227227, 236080, 244706, 254240, 259688, 279664, 280280, 289198, 324610, 330512, 349580, 355936, 399520, 413140, 444920, 454454, 472160, 489412, 519376, 559328, 560560, 578396, 611765, 649220, 661024, 699160, 722995, 826280, 889840, 908908, 978824, 1038752, 1121120, 1136135, 1156792, 1223530, 1298440, 1398320, 1445990, 1590589, 1652560, 1779680, 1817816, 1957648, 2272270, 2313584, 2447060, 2596880, 2796640, 2891980, 3181178, 3305120, 3635632, 3915296, 4544540, 4627168, 4894120, 5193760, 5783960, 6362356, 7271264, 7952945, 9089080, 9788240, 11567920, 12724712, 15905890, 18178160, 19576480, 23135840, 25449424, 31811780, 36356320, 50898848, 63623560, 127247120, 254494240]

約数ペア:

[(1, 254494240), (2, 127247120), (4, 63623560), (5, 50898848), (7, 36356320), (8, 31811780), (10, 25449424), (11, 23135840), (13, 19576480), (14, 18178160), (16, 15905890), (20, 12724712), (22, 11567920), (26, 9788240), (28, 9089080), (32, 7952945), (35, 7271264), (40, 6362356), (44, 5783960), (49, 5193760), (52, 4894120), (55, 4627168), (56, 4544540), (65, 3915296), (70, 3635632), (77, 3305120), (80, 3181178), (88, 2891980), (91, 2796640), (98, 2596880), (104, 2447060), (110, 2313584), (112, 2272270), (130, 1957648), (140, 1817816), (143, 1779680), (154, 1652560), (160, 1590589), (176, 1445990), (182, 1398320), (196, 1298440), (208, 1223530), (220, 1156792), (224, 1136135), (227, 1121120), (245, 1038752), (260, 978824), (280, 908908), (286, 889840), (308, 826280), (352, 722995), (364, 699160), (385, 661024), (392, 649220), (416, 611765), (440, 578396), (454, 560560), (455, 559328), (490, 519376), (520, 489412), (539, 472160), (560, 454454), (572, 444920), (616, 413140), (637, 399520), (715, 355936), (728, 349580), (770, 330512), (784, 324610), (880, 289198), (908, 280280), (910, 279664), (980, 259688), (1001, 254240), (1040, 244706), (1078, 236080), (1120, 227227), (1135, 224224), (1144, 222460), (1232, 206570), (1274, 199760), (1430, 177968), (1456, 174790), (1540, 165256), (1568, 162305), (1589, 160160), (1760, 144599), (1816, 140140), (1820, 139832), (1960, 129844), (2002, 127120), (2080, 122353), (2156, 118040), (2270, 112112), (2288, 111230), (2464, 103285), (2497, 101920), (2548, 99880), (2695, 94432), (2860, 88984), (2912, 87395), (2951, 86240), (3080, 82628), (3178, 80080), (3185, 79904), (3632, 70070), (3640, 69916), (3920, 64922), (4004, 63560), (4312, 59020), (4540, 56056), (4576, 55615), (4994, 50960), (5005, 50848), (5096, 49940), (5390, 47216), (5720, 44492), (5902, 43120), (6160, 41314), (6356, 40040), (6370, 39952), (7007, 36320), (7264, 35035), (7280, 34958), (7840, 32461), (7945, 32032), (8008, 31780), (8624, 29510), (9080, 28028), (9988, 25480), (10010, 25424), (10192, 24970), (10780, 23608), (11123, 22880), (11440, 22246), (11804, 21560), (12320, 20657), (12485, 20384), (12712, 20020), (12740, 19976), (14014, 18160), (14560, 17479), (14755, 17248), (15890, 16016)]