279906840

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:389

約数の個数: 224

約数和(自身を含む): 979765200

約数和(自身を除く): 699858360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 81, 87, 90, 108, 116, 120, 135, 145, 162, 174, 180, 216, 232, 243, 261, 270, 290, 324, 331, 348, 360, 405, 435, 486, 522, 540, 580, 648, 662, 696, 729, 783, 810, 870, 972, 993, 1044, 1080, 1160, 1215, 1305, 1324, 1458, 1566, 1620, 1655, 1740, 1944, 1986, 2088, 2349, 2430, 2610, 2648, 2916, 2979, 3132, 3240, 3310, 3480, 3645, 3915, 3972, 4698, 4860, 4965, 5220, 5832, 5958, 6264, 6620, 7047, 7290, 7830, 7944, 8937, 9396, 9599, 9720, 9930, 10440, 11745, 11916, 13240, 14094, 14580, 14895, 15660, 17874, 18792, 19198, 19860, 21141, 23490, 23832, 26811, 28188, 28797, 29160, 29790, 31320, 35235, 35748, 38396, 39720, 42282, 44685, 46980, 47995, 53622, 56376, 57594, 59580, 70470, 71496, 76792, 80433, 84564, 86391, 89370, 93960, 95990, 105705, 107244, 115188, 119160, 134055, 140940, 143985, 160866, 169128, 172782, 178740, 191980, 211410, 214488, 230376, 241299, 259173, 268110, 281880, 287970, 321732, 345564, 357480, 383960, 402165, 422820, 431955, 482598, 518346, 536220, 575940, 643464, 691128, 777519, 804330, 845640, 863910, 965196, 1036692, 1072440, 1151880, 1206495, 1295865, 1555038, 1608660, 1727820, 1930392, 2073384, 2332557, 2412990, 2591730, 3110076, 3217320, 3455640, 3887595, 4665114, 4825980, 5183460, 6220152, 6997671, 7775190, 9330228, 9651960, 10366920, 11662785, 13995342, 15550380, 18660456, 23325570, 27990684, 31100760, 34988355, 46651140, 55981368, 69976710, 93302280, 139953420, 279906840]

約数ペア:

[(1, 279906840), (2, 139953420), (3, 93302280), (4, 69976710), (5, 55981368), (6, 46651140), (8, 34988355), (9, 31100760), (10, 27990684), (12, 23325570), (15, 18660456), (18, 15550380), (20, 13995342), (24, 11662785), (27, 10366920), (29, 9651960), (30, 9330228), (36, 7775190), (40, 6997671), (45, 6220152), (54, 5183460), (58, 4825980), (60, 4665114), (72, 3887595), (81, 3455640), (87, 3217320), (90, 3110076), (108, 2591730), (116, 2412990), (120, 2332557), (135, 2073384), (145, 1930392), (162, 1727820), (174, 1608660), (180, 1555038), (216, 1295865), (232, 1206495), (243, 1151880), (261, 1072440), (270, 1036692), (290, 965196), (324, 863910), (331, 845640), (348, 804330), (360, 777519), (405, 691128), (435, 643464), (486, 575940), (522, 536220), (540, 518346), (580, 482598), (648, 431955), (662, 422820), (696, 402165), (729, 383960), (783, 357480), (810, 345564), (870, 321732), (972, 287970), (993, 281880), (1044, 268110), (1080, 259173), (1160, 241299), (1215, 230376), (1305, 214488), (1324, 211410), (1458, 191980), (1566, 178740), (1620, 172782), (1655, 169128), (1740, 160866), (1944, 143985), (1986, 140940), (2088, 134055), (2349, 119160), (2430, 115188), (2610, 107244), (2648, 105705), (2916, 95990), (2979, 93960), (3132, 89370), (3240, 86391), (3310, 84564), (3480, 80433), (3645, 76792), (3915, 71496), (3972, 70470), (4698, 59580), (4860, 57594), (4965, 56376), (5220, 53622), (5832, 47995), (5958, 46980), (6264, 44685), (6620, 42282), (7047, 39720), (7290, 38396), (7830, 35748), (7944, 35235), (8937, 31320), (9396, 29790), (9599, 29160), (9720, 28797), (9930, 28188), (10440, 26811), (11745, 23832), (11916, 23490), (13240, 21141), (14094, 19860), (14580, 19198), (14895, 18792), (15660, 17874)]