521878280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 256

約数和(自身を含む): 1567641600

約数和(自身を除く): 1045763320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 53, 55, 56, 70, 77, 88, 92, 106, 110, 115, 139, 140, 154, 161, 184, 212, 220, 230, 253, 265, 278, 280, 308, 322, 371, 385, 424, 440, 460, 506, 530, 556, 583, 616, 644, 695, 742, 770, 805, 920, 973, 1012, 1060, 1112, 1166, 1219, 1265, 1288, 1390, 1484, 1529, 1540, 1610, 1771, 1855, 1946, 2024, 2120, 2332, 2438, 2530, 2780, 2915, 2968, 3058, 3080, 3197, 3220, 3542, 3710, 3892, 4081, 4664, 4865, 4876, 5060, 5560, 5830, 6095, 6116, 6394, 6440, 7084, 7367, 7420, 7645, 7784, 8162, 8533, 8855, 9730, 9752, 10120, 10703, 11660, 12190, 12232, 12788, 13409, 14168, 14734, 14840, 15290, 15985, 16324, 17066, 17710, 19460, 20405, 21406, 22379, 23320, 24380, 25576, 26818, 29468, 30580, 31970, 32648, 34132, 35167, 35420, 36835, 38920, 40810, 42665, 42812, 44758, 48760, 51569, 53515, 53636, 58936, 61160, 63940, 67045, 68264, 70334, 70840, 73670, 81037, 81620, 85330, 85624, 89516, 93863, 103138, 107030, 107272, 111895, 127880, 134090, 140668, 147340, 162074, 163240, 169441, 170660, 175835, 179032, 187726, 206276, 214060, 223790, 246169, 257845, 268180, 281336, 294680, 324148, 338882, 341320, 351670, 375452, 405185, 412552, 428120, 447580, 469315, 492338, 515690, 536360, 567259, 648296, 677764, 703340, 750904, 810370, 847205, 895160, 938630, 984676, 1031380, 1134518, 1186087, 1230845, 1355528, 1406680, 1620740, 1694410, 1863851, 1877260, 1969352, 2062760, 2269036, 2372174, 2461690, 2836295, 3241480, 3388820, 3727702, 3754520, 4538072, 4744348, 4923380, 5672590, 5930435, 6777640, 7455404, 9319255, 9488696, 9846760, 11345180, 11860870, 13046957, 14910808, 18638510, 22690360, 23721740, 26093914, 37277020, 47443480, 52187828, 65234785, 74554040, 104375656, 130469570, 260939140, 521878280]

約数ペア:

[(1, 521878280), (2, 260939140), (4, 130469570), (5, 104375656), (7, 74554040), (8, 65234785), (10, 52187828), (11, 47443480), (14, 37277020), (20, 26093914), (22, 23721740), (23, 22690360), (28, 18638510), (35, 14910808), (40, 13046957), (44, 11860870), (46, 11345180), (53, 9846760), (55, 9488696), (56, 9319255), (70, 7455404), (77, 6777640), (88, 5930435), (92, 5672590), (106, 4923380), (110, 4744348), (115, 4538072), (139, 3754520), (140, 3727702), (154, 3388820), (161, 3241480), (184, 2836295), (212, 2461690), (220, 2372174), (230, 2269036), (253, 2062760), (265, 1969352), (278, 1877260), (280, 1863851), (308, 1694410), (322, 1620740), (371, 1406680), (385, 1355528), (424, 1230845), (440, 1186087), (460, 1134518), (506, 1031380), (530, 984676), (556, 938630), (583, 895160), (616, 847205), (644, 810370), (695, 750904), (742, 703340), (770, 677764), (805, 648296), (920, 567259), (973, 536360), (1012, 515690), (1060, 492338), (1112, 469315), (1166, 447580), (1219, 428120), (1265, 412552), (1288, 405185), (1390, 375452), (1484, 351670), (1529, 341320), (1540, 338882), (1610, 324148), (1771, 294680), (1855, 281336), (1946, 268180), (2024, 257845), (2120, 246169), (2332, 223790), (2438, 214060), (2530, 206276), (2780, 187726), (2915, 179032), (2968, 175835), (3058, 170660), (3080, 169441), (3197, 163240), (3220, 162074), (3542, 147340), (3710, 140668), (3892, 134090), (4081, 127880), (4664, 111895), (4865, 107272), (4876, 107030), (5060, 103138), (5560, 93863), (5830, 89516), (6095, 85624), (6116, 85330), (6394, 81620), (6440, 81037), (7084, 73670), (7367, 70840), (7420, 70334), (7645, 68264), (7784, 67045), (8162, 63940), (8533, 61160), (8855, 58936), (9730, 53636), (9752, 53515), (10120, 51569), (10703, 48760), (11660, 44758), (12190, 42812), (12232, 42665), (12788, 40810), (13409, 38920), (14168, 36835), (14734, 35420), (14840, 35167), (15290, 34132), (15985, 32648), (16324, 31970), (17066, 30580), (17710, 29468), (19460, 26818), (20405, 25576), (21406, 24380), (22379, 23320)]