78996960

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:506

約数の個数: 288

約数和(自身を含む): 326918592

約数和(自身を除く): 247921632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 160, 168, 170, 180, 204, 210, 224, 238, 240, 252, 255, 272, 280, 288, 306, 315, 336, 340, 357, 360, 408, 420, 461, 476, 480, 504, 510, 544, 560, 595, 612, 630, 672, 680, 714, 720, 765, 816, 840, 922, 952, 1008, 1020, 1071, 1120, 1190, 1224, 1260, 1360, 1383, 1428, 1440, 1530, 1632, 1680, 1785, 1844, 1904, 2016, 2040, 2142, 2305, 2380, 2448, 2520, 2720, 2766, 2856, 3060, 3227, 3360, 3570, 3688, 3808, 4080, 4149, 4284, 4610, 4760, 4896, 5040, 5355, 5532, 5712, 6120, 6454, 6915, 7140, 7376, 7837, 8160, 8298, 8568, 9220, 9520, 9681, 10080, 10710, 11064, 11424, 12240, 12908, 13830, 14280, 14752, 15674, 16135, 16596, 17136, 18440, 19040, 19362, 20745, 21420, 22128, 23511, 24480, 25816, 27660, 28560, 29043, 31348, 32270, 33192, 34272, 36880, 38724, 39185, 41490, 42840, 44256, 47022, 48405, 51632, 54859, 55320, 57120, 58086, 62696, 64540, 66384, 70533, 73760, 77448, 78370, 82980, 85680, 94044, 96810, 103264, 109718, 110640, 116172, 117555, 125392, 129080, 132768, 141066, 145215, 154896, 156740, 164577, 165960, 171360, 188088, 193620, 219436, 221280, 232344, 235110, 250784, 258160, 274295, 282132, 290430, 309792, 313480, 329154, 331920, 352665, 376176, 387240, 438872, 464688, 470220, 493731, 516320, 548590, 564264, 580860, 626960, 658308, 663840, 705330, 752352, 774480, 822885, 877744, 929376, 940440, 987462, 1097180, 1128528, 1161720, 1253920, 1316616, 1410660, 1548960, 1645770, 1755488, 1880880, 1974924, 2194360, 2257056, 2323440, 2468655, 2633232, 2821320, 3291540, 3761760, 3949848, 4388720, 4646880, 4937310, 5266464, 5642640, 6583080, 7899696, 8777440, 9874620, 11285280, 13166160, 15799392, 19749240, 26332320, 39498480, 78996960]

約数ペア:

[(1, 78996960), (2, 39498480), (3, 26332320), (4, 19749240), (5, 15799392), (6, 13166160), (7, 11285280), (8, 9874620), (9, 8777440), (10, 7899696), (12, 6583080), (14, 5642640), (15, 5266464), (16, 4937310), (17, 4646880), (18, 4388720), (20, 3949848), (21, 3761760), (24, 3291540), (28, 2821320), (30, 2633232), (32, 2468655), (34, 2323440), (35, 2257056), (36, 2194360), (40, 1974924), (42, 1880880), (45, 1755488), (48, 1645770), (51, 1548960), (56, 1410660), (60, 1316616), (63, 1253920), (68, 1161720), (70, 1128528), (72, 1097180), (80, 987462), (84, 940440), (85, 929376), (90, 877744), (96, 822885), (102, 774480), (105, 752352), (112, 705330), (119, 663840), (120, 658308), (126, 626960), (136, 580860), (140, 564264), (144, 548590), (153, 516320), (160, 493731), (168, 470220), (170, 464688), (180, 438872), (204, 387240), (210, 376176), (224, 352665), (238, 331920), (240, 329154), (252, 313480), (255, 309792), (272, 290430), (280, 282132), (288, 274295), (306, 258160), (315, 250784), (336, 235110), (340, 232344), (357, 221280), (360, 219436), (408, 193620), (420, 188088), (461, 171360), (476, 165960), (480, 164577), (504, 156740), (510, 154896), (544, 145215), (560, 141066), (595, 132768), (612, 129080), (630, 125392), (672, 117555), (680, 116172), (714, 110640), (720, 109718), (765, 103264), (816, 96810), (840, 94044), (922, 85680), (952, 82980), (1008, 78370), (1020, 77448), (1071, 73760), (1120, 70533), (1190, 66384), (1224, 64540), (1260, 62696), (1360, 58086), (1383, 57120), (1428, 55320), (1440, 54859), (1530, 51632), (1632, 48405), (1680, 47022), (1785, 44256), (1844, 42840), (1904, 41490), (2016, 39185), (2040, 38724), (2142, 36880), (2305, 34272), (2380, 33192), (2448, 32270), (2520, 31348), (2720, 29043), (2766, 28560), (2856, 27660), (3060, 25816), (3227, 24480), (3360, 23511), (3570, 22128), (3688, 21420), (3808, 20745), (4080, 19362), (4149, 19040), (4284, 18440), (4610, 17136), (4760, 16596), (4896, 16135), (5040, 15674), (5355, 14752), (5532, 14280), (5712, 13830), (6120, 12908), (6454, 12240), (6915, 11424), (7140, 11064), (7376, 10710), (7837, 10080), (8160, 9681), (8298, 9520), (8568, 9220)]