28761040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:90

約数の個数: 240

約数和(自身を含む): 91601280

約数和(自身を除く): 62840240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 29, 35, 40, 44, 46, 49, 55, 56, 58, 70, 77, 80, 88, 92, 98, 110, 112, 115, 116, 140, 145, 154, 161, 176, 184, 196, 203, 220, 230, 232, 245, 253, 280, 290, 308, 319, 322, 368, 385, 392, 406, 440, 460, 464, 490, 506, 539, 560, 580, 616, 638, 644, 667, 770, 784, 805, 812, 880, 920, 980, 1012, 1015, 1078, 1127, 1160, 1232, 1265, 1276, 1288, 1334, 1421, 1540, 1595, 1610, 1624, 1771, 1840, 1960, 2024, 2030, 2156, 2233, 2254, 2320, 2530, 2552, 2576, 2668, 2695, 2842, 3080, 3190, 3220, 3248, 3335, 3542, 3920, 4048, 4060, 4312, 4466, 4508, 4669, 5060, 5104, 5336, 5390, 5635, 5684, 6160, 6380, 6440, 6670, 7084, 7105, 7337, 8120, 8624, 8855, 8932, 9016, 9338, 10120, 10672, 10780, 11165, 11270, 11368, 12397, 12760, 12880, 13340, 14168, 14210, 14674, 15631, 16240, 17710, 17864, 18032, 18676, 20240, 21560, 22330, 22540, 22736, 23345, 24794, 25520, 26680, 28336, 28420, 29348, 31262, 32683, 35420, 35728, 36685, 37352, 43120, 44660, 45080, 46690, 49588, 51359, 53360, 56840, 58696, 61985, 62524, 65366, 70840, 73370, 74704, 78155, 89320, 90160, 93380, 99176, 102718, 113680, 117392, 123970, 125048, 130732, 141680, 146740, 156310, 163415, 178640, 186760, 198352, 205436, 247940, 250096, 256795, 261464, 293480, 312620, 326830, 359513, 373520, 410872, 495880, 513590, 522928, 586960, 625240, 653660, 719026, 821744, 991760, 1027180, 1250480, 1307320, 1438052, 1797565, 2054360, 2614640, 2876104, 3595130, 4108720, 5752208, 7190260, 14380520, 28761040]

約数ペア:

[(1, 28761040), (2, 14380520), (4, 7190260), (5, 5752208), (7, 4108720), (8, 3595130), (10, 2876104), (11, 2614640), (14, 2054360), (16, 1797565), (20, 1438052), (22, 1307320), (23, 1250480), (28, 1027180), (29, 991760), (35, 821744), (40, 719026), (44, 653660), (46, 625240), (49, 586960), (55, 522928), (56, 513590), (58, 495880), (70, 410872), (77, 373520), (80, 359513), (88, 326830), (92, 312620), (98, 293480), (110, 261464), (112, 256795), (115, 250096), (116, 247940), (140, 205436), (145, 198352), (154, 186760), (161, 178640), (176, 163415), (184, 156310), (196, 146740), (203, 141680), (220, 130732), (230, 125048), (232, 123970), (245, 117392), (253, 113680), (280, 102718), (290, 99176), (308, 93380), (319, 90160), (322, 89320), (368, 78155), (385, 74704), (392, 73370), (406, 70840), (440, 65366), (460, 62524), (464, 61985), (490, 58696), (506, 56840), (539, 53360), (560, 51359), (580, 49588), (616, 46690), (638, 45080), (644, 44660), (667, 43120), (770, 37352), (784, 36685), (805, 35728), (812, 35420), (880, 32683), (920, 31262), (980, 29348), (1012, 28420), (1015, 28336), (1078, 26680), (1127, 25520), (1160, 24794), (1232, 23345), (1265, 22736), (1276, 22540), (1288, 22330), (1334, 21560), (1421, 20240), (1540, 18676), (1595, 18032), (1610, 17864), (1624, 17710), (1771, 16240), (1840, 15631), (1960, 14674), (2024, 14210), (2030, 14168), (2156, 13340), (2233, 12880), (2254, 12760), (2320, 12397), (2530, 11368), (2552, 11270), (2576, 11165), (2668, 10780), (2695, 10672), (2842, 10120), (3080, 9338), (3190, 9016), (3220, 8932), (3248, 8855), (3335, 8624), (3542, 8120), (3920, 7337), (4048, 7105), (4060, 7084), (4312, 6670), (4466, 6440), (4508, 6380), (4669, 6160), (5060, 5684), (5104, 5635), (5336, 5390)]