215341280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{227}}^1$

素因数の和:278

約数の個数: 216

約数和(自身を含む): 653360904

約数和(自身を除く): 438019624

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 140, 154, 160, 176, 196, 220, 224, 227, 242, 245, 280, 308, 352, 385, 392, 440, 454, 484, 490, 539, 560, 605, 616, 770, 784, 847, 880, 908, 968, 980, 1078, 1120, 1135, 1210, 1232, 1540, 1568, 1589, 1694, 1760, 1816, 1936, 1960, 2156, 2270, 2420, 2464, 2497, 2695, 3080, 3178, 3388, 3632, 3872, 3920, 4235, 4312, 4540, 4840, 4994, 5390, 5929, 6160, 6356, 6776, 7264, 7840, 7945, 8470, 8624, 9080, 9680, 9988, 10780, 11123, 11858, 12320, 12485, 12712, 13552, 15890, 16940, 17248, 17479, 18160, 19360, 19976, 21560, 22246, 23716, 24970, 25424, 27104, 27467, 29645, 31780, 33880, 34958, 36320, 39952, 43120, 44492, 47432, 49940, 50848, 54934, 55615, 59290, 63560, 67760, 69916, 79904, 86240, 87395, 88984, 94864, 99880, 109868, 111230, 118580, 122353, 127120, 135520, 137335, 139832, 174790, 177968, 189728, 192269, 199760, 219736, 222460, 237160, 244706, 254240, 274670, 279664, 349580, 355936, 384538, 399520, 439472, 444920, 474320, 489412, 549340, 559328, 611765, 699160, 769076, 878944, 889840, 948640, 961345, 978824, 1098680, 1223530, 1345883, 1398320, 1538152, 1779680, 1922690, 1957648, 2197360, 2447060, 2691766, 2796640, 3076304, 3845380, 3915296, 4394720, 4894120, 5383532, 6152608, 6729415, 7690760, 9788240, 10767064, 13458830, 15381520, 19576480, 21534128, 26917660, 30763040, 43068256, 53835320, 107670640, 215341280]

約数ペア:

[(1, 215341280), (2, 107670640), (4, 53835320), (5, 43068256), (7, 30763040), (8, 26917660), (10, 21534128), (11, 19576480), (14, 15381520), (16, 13458830), (20, 10767064), (22, 9788240), (28, 7690760), (32, 6729415), (35, 6152608), (40, 5383532), (44, 4894120), (49, 4394720), (55, 3915296), (56, 3845380), (70, 3076304), (77, 2796640), (80, 2691766), (88, 2447060), (98, 2197360), (110, 1957648), (112, 1922690), (121, 1779680), (140, 1538152), (154, 1398320), (160, 1345883), (176, 1223530), (196, 1098680), (220, 978824), (224, 961345), (227, 948640), (242, 889840), (245, 878944), (280, 769076), (308, 699160), (352, 611765), (385, 559328), (392, 549340), (440, 489412), (454, 474320), (484, 444920), (490, 439472), (539, 399520), (560, 384538), (605, 355936), (616, 349580), (770, 279664), (784, 274670), (847, 254240), (880, 244706), (908, 237160), (968, 222460), (980, 219736), (1078, 199760), (1120, 192269), (1135, 189728), (1210, 177968), (1232, 174790), (1540, 139832), (1568, 137335), (1589, 135520), (1694, 127120), (1760, 122353), (1816, 118580), (1936, 111230), (1960, 109868), (2156, 99880), (2270, 94864), (2420, 88984), (2464, 87395), (2497, 86240), (2695, 79904), (3080, 69916), (3178, 67760), (3388, 63560), (3632, 59290), (3872, 55615), (3920, 54934), (4235, 50848), (4312, 49940), (4540, 47432), (4840, 44492), (4994, 43120), (5390, 39952), (5929, 36320), (6160, 34958), (6356, 33880), (6776, 31780), (7264, 29645), (7840, 27467), (7945, 27104), (8470, 25424), (8624, 24970), (9080, 23716), (9680, 22246), (9988, 21560), (10780, 19976), (11123, 19360), (11858, 18160), (12320, 17479), (12485, 17248), (12712, 16940), (13552, 15890)]