245007840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:990

約数の個数: 288

約数和(自身を含む): 980429184

約数和(自身を除く): 735421344

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 98, 105, 110, 112, 120, 132, 140, 147, 154, 160, 165, 168, 176, 196, 210, 220, 224, 231, 240, 245, 264, 280, 294, 308, 330, 336, 352, 385, 392, 420, 440, 462, 480, 490, 528, 539, 560, 588, 616, 660, 672, 735, 770, 784, 840, 880, 924, 947, 980, 1056, 1078, 1120, 1155, 1176, 1232, 1320, 1470, 1540, 1568, 1617, 1680, 1760, 1848, 1894, 1960, 2156, 2310, 2352, 2464, 2640, 2695, 2841, 2940, 3080, 3234, 3360, 3696, 3788, 3920, 4312, 4620, 4704, 4735, 5280, 5390, 5682, 5880, 6160, 6468, 6629, 7392, 7576, 7840, 8085, 8624, 9240, 9470, 10417, 10780, 11364, 11760, 12320, 12936, 13258, 14205, 15152, 16170, 17248, 18480, 18940, 19887, 20834, 21560, 22728, 23520, 25872, 26516, 28410, 30304, 31251, 32340, 33145, 36960, 37880, 39774, 41668, 43120, 45456, 46403, 51744, 52085, 53032, 56820, 62502, 64680, 66290, 72919, 75760, 79548, 83336, 86240, 90912, 92806, 99435, 104170, 106064, 113640, 125004, 129360, 132580, 139209, 145838, 151520, 156255, 159096, 166672, 185612, 198870, 208340, 212128, 218757, 227280, 232015, 250008, 258720, 265160, 278418, 291676, 312510, 318192, 333344, 364595, 371224, 397740, 416680, 437514, 454560, 464030, 500016, 510433, 530320, 556836, 583352, 625020, 636384, 696045, 729190, 742448, 795480, 833360, 875028, 928060, 1000032, 1020866, 1060640, 1093785, 1113672, 1166704, 1250040, 1392090, 1458380, 1484896, 1531299, 1590960, 1666720, 1750056, 1856120, 2041732, 2187570, 2227344, 2333408, 2500080, 2552165, 2784180, 2916760, 3062598, 3181920, 3500112, 3712240, 4083464, 4375140, 4454688, 5000160, 5104330, 5568360, 5833520, 6125196, 7000224, 7424480, 7656495, 8166928, 8750280, 10208660, 11136720, 11667040, 12250392, 15312990, 16333856, 17500560, 20417320, 22273440, 24500784, 30625980, 35001120, 40834640, 49001568, 61251960, 81669280, 122503920, 245007840]

約数ペア:

[(1, 245007840), (2, 122503920), (3, 81669280), (4, 61251960), (5, 49001568), (6, 40834640), (7, 35001120), (8, 30625980), (10, 24500784), (11, 22273440), (12, 20417320), (14, 17500560), (15, 16333856), (16, 15312990), (20, 12250392), (21, 11667040), (22, 11136720), (24, 10208660), (28, 8750280), (30, 8166928), (32, 7656495), (33, 7424480), (35, 7000224), (40, 6125196), (42, 5833520), (44, 5568360), (48, 5104330), (49, 5000160), (55, 4454688), (56, 4375140), (60, 4083464), (66, 3712240), (70, 3500112), (77, 3181920), (80, 3062598), (84, 2916760), (88, 2784180), (96, 2552165), (98, 2500080), (105, 2333408), (110, 2227344), (112, 2187570), (120, 2041732), (132, 1856120), (140, 1750056), (147, 1666720), (154, 1590960), (160, 1531299), (165, 1484896), (168, 1458380), (176, 1392090), (196, 1250040), (210, 1166704), (220, 1113672), (224, 1093785), (231, 1060640), (240, 1020866), (245, 1000032), (264, 928060), (280, 875028), (294, 833360), (308, 795480), (330, 742448), (336, 729190), (352, 696045), (385, 636384), (392, 625020), (420, 583352), (440, 556836), (462, 530320), (480, 510433), (490, 500016), (528, 464030), (539, 454560), (560, 437514), (588, 416680), (616, 397740), (660, 371224), (672, 364595), (735, 333344), (770, 318192), (784, 312510), (840, 291676), (880, 278418), (924, 265160), (947, 258720), (980, 250008), (1056, 232015), (1078, 227280), (1120, 218757), (1155, 212128), (1176, 208340), (1232, 198870), (1320, 185612), (1470, 166672), (1540, 159096), (1568, 156255), (1617, 151520), (1680, 145838), (1760, 139209), (1848, 132580), (1894, 129360), (1960, 125004), (2156, 113640), (2310, 106064), (2352, 104170), (2464, 99435), (2640, 92806), (2695, 90912), (2841, 86240), (2940, 83336), (3080, 79548), (3234, 75760), (3360, 72919), (3696, 66290), (3788, 64680), (3920, 62502), (4312, 56820), (4620, 53032), (4704, 52085), (4735, 51744), (5280, 46403), (5390, 45456), (5682, 43120), (5880, 41668), (6160, 39774), (6468, 37880), (6629, 36960), (7392, 33145), (7576, 32340), (7840, 31251), (8085, 30304), (8624, 28410), (9240, 26516), (9470, 25872), (10417, 23520), (10780, 22728), (11364, 21560), (11760, 20834), (12320, 19887), (12936, 18940), (13258, 18480), (14205, 17248), (15152, 16170)]