20230710520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{2287}}^1$

素因数の和:2517

約数の個数: 128

約数和(自身を含む): 48201753600

約数和(自身を除く): 27971043080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 139, 148, 172, 185, 215, 278, 296, 344, 370, 430, 556, 695, 740, 860, 1112, 1390, 1480, 1591, 1720, 2287, 2780, 3182, 4574, 5143, 5560, 5977, 6364, 7955, 9148, 10286, 11435, 11954, 12728, 15910, 18296, 20572, 22870, 23908, 25715, 29885, 31820, 41144, 45740, 47816, 51430, 59770, 63640, 84619, 91480, 98341, 102860, 119540, 169238, 196682, 205720, 221149, 239080, 317893, 338476, 393364, 423095, 442298, 491705, 635786, 676952, 786728, 846190, 884596, 983410, 1105745, 1271572, 1589465, 1692380, 1769192, 1966820, 2211490, 2543144, 3178930, 3384760, 3638617, 3933640, 4422980, 6357860, 7277234, 8845960, 11762041, 12715720, 13669399, 14554468, 18193085, 23524082, 27338798, 29108936, 36386170, 47048164, 54677596, 58810205, 68346995, 72772340, 94096328, 109355192, 117620410, 136693990, 145544680, 235240820, 273387980, 470481640, 505767763, 546775960, 1011535526, 2023071052, 2528838815, 4046142104, 5057677630, 10115355260, 20230710520]

約数ペア:

[(1, 20230710520), (2, 10115355260), (4, 5057677630), (5, 4046142104), (8, 2528838815), (10, 2023071052), (20, 1011535526), (37, 546775960), (40, 505767763), (43, 470481640), (74, 273387980), (86, 235240820), (139, 145544680), (148, 136693990), (172, 117620410), (185, 109355192), (215, 94096328), (278, 72772340), (296, 68346995), (344, 58810205), (370, 54677596), (430, 47048164), (556, 36386170), (695, 29108936), (740, 27338798), (860, 23524082), (1112, 18193085), (1390, 14554468), (1480, 13669399), (1591, 12715720), (1720, 11762041), (2287, 8845960), (2780, 7277234), (3182, 6357860), (4574, 4422980), (5143, 3933640), (5560, 3638617), (5977, 3384760), (6364, 3178930), (7955, 2543144), (9148, 2211490), (10286, 1966820), (11435, 1769192), (11954, 1692380), (12728, 1589465), (15910, 1271572), (18296, 1105745), (20572, 983410), (22870, 884596), (23908, 846190), (25715, 786728), (29885, 676952), (31820, 635786), (41144, 491705), (45740, 442298), (47816, 423095), (51430, 393364), (59770, 338476), (63640, 317893), (84619, 239080), (91480, 221149), (98341, 205720), (102860, 196682), (119540, 169238)]