215944960

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1$

素因数の和:359

約数の個数: 216

約数和(自身を含む): 658503216

約数和(自身を除く): 442558256

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 128, 140, 154, 160, 176, 196, 220, 224, 245, 256, 280, 308, 313, 320, 352, 385, 392, 440, 448, 490, 539, 560, 616, 626, 640, 704, 770, 784, 880, 896, 980, 1078, 1120, 1232, 1252, 1280, 1408, 1540, 1565, 1568, 1760, 1792, 1960, 2156, 2191, 2240, 2464, 2504, 2695, 2816, 3080, 3130, 3136, 3443, 3520, 3920, 4312, 4382, 4480, 4928, 5008, 5390, 6160, 6260, 6272, 6886, 7040, 7840, 8624, 8764, 8960, 9856, 10016, 10780, 10955, 12320, 12520, 12544, 13772, 14080, 15337, 15680, 17215, 17248, 17528, 19712, 20032, 21560, 21910, 24101, 24640, 25040, 27544, 30674, 31360, 34430, 34496, 35056, 40064, 43120, 43820, 48202, 49280, 50080, 55088, 61348, 62720, 68860, 68992, 70112, 76685, 80128, 86240, 87640, 96404, 98560, 100160, 110176, 120505, 122696, 137720, 137984, 140224, 153370, 168707, 172480, 175280, 192808, 200320, 220352, 241010, 245392, 275440, 280448, 306740, 337414, 344960, 350560, 385616, 400640, 440704, 482020, 490784, 550880, 560896, 613480, 674828, 689920, 701120, 771232, 843535, 881408, 964040, 981568, 1101760, 1226960, 1349656, 1402240, 1542464, 1687070, 1928080, 1963136, 2203520, 2453920, 2699312, 2804480, 3084928, 3374140, 3856160, 3926272, 4407040, 4907840, 5398624, 6169856, 6748280, 7712320, 9815680, 10797248, 13496560, 15424640, 19631360, 21594496, 26993120, 30849280, 43188992, 53986240, 107972480, 215944960]

約数ペア:

[(1, 215944960), (2, 107972480), (4, 53986240), (5, 43188992), (7, 30849280), (8, 26993120), (10, 21594496), (11, 19631360), (14, 15424640), (16, 13496560), (20, 10797248), (22, 9815680), (28, 7712320), (32, 6748280), (35, 6169856), (40, 5398624), (44, 4907840), (49, 4407040), (55, 3926272), (56, 3856160), (64, 3374140), (70, 3084928), (77, 2804480), (80, 2699312), (88, 2453920), (98, 2203520), (110, 1963136), (112, 1928080), (128, 1687070), (140, 1542464), (154, 1402240), (160, 1349656), (176, 1226960), (196, 1101760), (220, 981568), (224, 964040), (245, 881408), (256, 843535), (280, 771232), (308, 701120), (313, 689920), (320, 674828), (352, 613480), (385, 560896), (392, 550880), (440, 490784), (448, 482020), (490, 440704), (539, 400640), (560, 385616), (616, 350560), (626, 344960), (640, 337414), (704, 306740), (770, 280448), (784, 275440), (880, 245392), (896, 241010), (980, 220352), (1078, 200320), (1120, 192808), (1232, 175280), (1252, 172480), (1280, 168707), (1408, 153370), (1540, 140224), (1565, 137984), (1568, 137720), (1760, 122696), (1792, 120505), (1960, 110176), (2156, 100160), (2191, 98560), (2240, 96404), (2464, 87640), (2504, 86240), (2695, 80128), (2816, 76685), (3080, 70112), (3130, 68992), (3136, 68860), (3443, 62720), (3520, 61348), (3920, 55088), (4312, 50080), (4382, 49280), (4480, 48202), (4928, 43820), (5008, 43120), (5390, 40064), (6160, 35056), (6260, 34496), (6272, 34430), (6886, 31360), (7040, 30674), (7840, 27544), (8624, 25040), (8764, 24640), (8960, 24101), (9856, 21910), (10016, 21560), (10780, 20032), (10955, 19712), (12320, 17528), (12520, 17248), (12544, 17215), (13772, 15680), (14080, 15337)]