288991920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{179}}^1$

素因数の和:264

約数の個数: 240

約数和(自身を含む): 1063860480

約数和(自身を除く): 774868560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 179, 186, 210, 217, 240, 248, 280, 310, 336, 358, 372, 420, 434, 465, 496, 537, 560, 620, 651, 716, 744, 840, 868, 895, 930, 961, 1074, 1085, 1240, 1253, 1302, 1432, 1488, 1680, 1736, 1790, 1860, 1922, 2148, 2170, 2480, 2506, 2604, 2685, 2864, 2883, 3255, 3472, 3580, 3720, 3759, 3844, 4296, 4340, 4805, 5012, 5208, 5370, 5549, 5766, 6265, 6510, 6727, 7160, 7440, 7518, 7688, 8592, 8680, 9610, 10024, 10416, 10740, 11098, 11532, 12530, 13020, 13454, 14320, 14415, 15036, 15376, 16647, 17360, 18795, 19220, 20048, 20181, 21480, 22196, 23064, 25060, 26040, 26908, 27745, 28830, 30072, 33294, 33635, 37590, 38440, 38843, 40362, 42960, 44392, 46128, 50120, 52080, 53816, 55490, 57660, 60144, 66588, 67270, 75180, 76880, 77686, 80724, 83235, 88784, 100240, 100905, 107632, 110980, 115320, 116529, 133176, 134540, 150360, 155372, 161448, 166470, 172019, 194215, 201810, 221960, 230640, 233058, 266352, 269080, 300720, 310744, 322896, 332940, 344038, 388430, 403620, 443920, 466116, 516057, 538160, 582645, 621488, 665880, 688076, 776860, 807240, 860095, 932232, 1032114, 1165290, 1204133, 1331760, 1376152, 1553720, 1614480, 1720190, 1864464, 2064228, 2330580, 2408266, 2580285, 2752304, 3107440, 3440380, 3612399, 4128456, 4661160, 4816532, 5160570, 6020665, 6880760, 7224798, 8256912, 9322320, 9633064, 10321140, 12041330, 13761520, 14449596, 18061995, 19266128, 20642280, 24082660, 28899192, 36123990, 41284560, 48165320, 57798384, 72247980, 96330640, 144495960, 288991920]

約数ペア:

[(1, 288991920), (2, 144495960), (3, 96330640), (4, 72247980), (5, 57798384), (6, 48165320), (7, 41284560), (8, 36123990), (10, 28899192), (12, 24082660), (14, 20642280), (15, 19266128), (16, 18061995), (20, 14449596), (21, 13761520), (24, 12041330), (28, 10321140), (30, 9633064), (31, 9322320), (35, 8256912), (40, 7224798), (42, 6880760), (48, 6020665), (56, 5160570), (60, 4816532), (62, 4661160), (70, 4128456), (80, 3612399), (84, 3440380), (93, 3107440), (105, 2752304), (112, 2580285), (120, 2408266), (124, 2330580), (140, 2064228), (155, 1864464), (168, 1720190), (179, 1614480), (186, 1553720), (210, 1376152), (217, 1331760), (240, 1204133), (248, 1165290), (280, 1032114), (310, 932232), (336, 860095), (358, 807240), (372, 776860), (420, 688076), (434, 665880), (465, 621488), (496, 582645), (537, 538160), (560, 516057), (620, 466116), (651, 443920), (716, 403620), (744, 388430), (840, 344038), (868, 332940), (895, 322896), (930, 310744), (961, 300720), (1074, 269080), (1085, 266352), (1240, 233058), (1253, 230640), (1302, 221960), (1432, 201810), (1488, 194215), (1680, 172019), (1736, 166470), (1790, 161448), (1860, 155372), (1922, 150360), (2148, 134540), (2170, 133176), (2480, 116529), (2506, 115320), (2604, 110980), (2685, 107632), (2864, 100905), (2883, 100240), (3255, 88784), (3472, 83235), (3580, 80724), (3720, 77686), (3759, 76880), (3844, 75180), (4296, 67270), (4340, 66588), (4805, 60144), (5012, 57660), (5208, 55490), (5370, 53816), (5549, 52080), (5766, 50120), (6265, 46128), (6510, 44392), (6727, 42960), (7160, 40362), (7440, 38843), (7518, 38440), (7688, 37590), (8592, 33635), (8680, 33294), (9610, 30072), (10024, 28830), (10416, 27745), (10740, 26908), (11098, 26040), (11532, 25060), (12530, 23064), (13020, 22196), (13454, 21480), (14320, 20181), (14415, 20048), (15036, 19220), (15376, 18795), (16647, 17360)]