215205760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1$

素因数の和:445

約数の個数: 192

約数和(自身を含む): 647912160

約数和(自身を除く): 432706400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 121, 128, 140, 154, 160, 176, 220, 224, 242, 280, 308, 320, 352, 385, 397, 440, 448, 484, 560, 605, 616, 640, 704, 770, 794, 847, 880, 896, 968, 1120, 1210, 1232, 1408, 1540, 1588, 1694, 1760, 1936, 1985, 2240, 2420, 2464, 2779, 3080, 3176, 3388, 3520, 3872, 3970, 4235, 4367, 4480, 4840, 4928, 5558, 6160, 6352, 6776, 7040, 7744, 7940, 8470, 8734, 9680, 9856, 11116, 12320, 12704, 13552, 13895, 15488, 15880, 16940, 17468, 19360, 21835, 22232, 24640, 25408, 27104, 27790, 30569, 31760, 33880, 34936, 38720, 43670, 44464, 48037, 49280, 50816, 54208, 55580, 61138, 63520, 67760, 69872, 77440, 87340, 88928, 96074, 108416, 111160, 122276, 127040, 135520, 139744, 152845, 174680, 177856, 192148, 222320, 240185, 244552, 254080, 271040, 279488, 305690, 336259, 349360, 355712, 384296, 444640, 480370, 489104, 542080, 558976, 611380, 672518, 698720, 768592, 889280, 960740, 978208, 1222760, 1345036, 1397440, 1537184, 1681295, 1778560, 1921480, 1956416, 2445520, 2690072, 2794880, 3074368, 3362590, 3842960, 3912832, 4891040, 5380144, 6148736, 6725180, 7685920, 9782080, 10760288, 13450360, 15371840, 19564160, 21520576, 26900720, 30743680, 43041152, 53801440, 107602880, 215205760]

約数ペア:

[(1, 215205760), (2, 107602880), (4, 53801440), (5, 43041152), (7, 30743680), (8, 26900720), (10, 21520576), (11, 19564160), (14, 15371840), (16, 13450360), (20, 10760288), (22, 9782080), (28, 7685920), (32, 6725180), (35, 6148736), (40, 5380144), (44, 4891040), (55, 3912832), (56, 3842960), (64, 3362590), (70, 3074368), (77, 2794880), (80, 2690072), (88, 2445520), (110, 1956416), (112, 1921480), (121, 1778560), (128, 1681295), (140, 1537184), (154, 1397440), (160, 1345036), (176, 1222760), (220, 978208), (224, 960740), (242, 889280), (280, 768592), (308, 698720), (320, 672518), (352, 611380), (385, 558976), (397, 542080), (440, 489104), (448, 480370), (484, 444640), (560, 384296), (605, 355712), (616, 349360), (640, 336259), (704, 305690), (770, 279488), (794, 271040), (847, 254080), (880, 244552), (896, 240185), (968, 222320), (1120, 192148), (1210, 177856), (1232, 174680), (1408, 152845), (1540, 139744), (1588, 135520), (1694, 127040), (1760, 122276), (1936, 111160), (1985, 108416), (2240, 96074), (2420, 88928), (2464, 87340), (2779, 77440), (3080, 69872), (3176, 67760), (3388, 63520), (3520, 61138), (3872, 55580), (3970, 54208), (4235, 50816), (4367, 49280), (4480, 48037), (4840, 44464), (4928, 43670), (5558, 38720), (6160, 34936), (6352, 33880), (6776, 31760), (7040, 30569), (7744, 27790), (7940, 27104), (8470, 25408), (8734, 24640), (9680, 22232), (9856, 21835), (11116, 19360), (12320, 17468), (12704, 16940), (13552, 15880), (13895, 15488)]