157230760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 393984000

約数和(自身を除く): 236753240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 37, 40, 46, 62, 74, 92, 115, 124, 148, 149, 155, 184, 185, 230, 248, 296, 298, 310, 370, 460, 596, 620, 713, 740, 745, 851, 920, 1147, 1192, 1240, 1426, 1480, 1490, 1702, 2294, 2852, 2980, 3404, 3427, 3565, 4255, 4588, 4619, 5513, 5704, 5735, 5960, 6808, 6854, 7130, 8510, 9176, 9238, 11026, 11470, 13708, 14260, 17020, 17135, 18476, 22052, 22940, 23095, 26381, 27416, 27565, 28520, 34040, 34270, 36952, 44104, 45880, 46190, 52762, 55130, 68540, 92380, 105524, 106237, 110260, 126799, 131905, 137080, 170903, 184760, 211048, 212474, 220520, 253598, 263810, 341806, 424948, 507196, 527620, 531185, 633995, 683612, 849896, 854515, 1014392, 1055240, 1062370, 1267990, 1367224, 1709030, 2124740, 2535980, 3418060, 3930769, 4249480, 5071960, 6836120, 7861538, 15723076, 19653845, 31446152, 39307690, 78615380, 157230760]

約数ペア:

[(1, 157230760), (2, 78615380), (4, 39307690), (5, 31446152), (8, 19653845), (10, 15723076), (20, 7861538), (23, 6836120), (31, 5071960), (37, 4249480), (40, 3930769), (46, 3418060), (62, 2535980), (74, 2124740), (92, 1709030), (115, 1367224), (124, 1267990), (148, 1062370), (149, 1055240), (155, 1014392), (184, 854515), (185, 849896), (230, 683612), (248, 633995), (296, 531185), (298, 527620), (310, 507196), (370, 424948), (460, 341806), (596, 263810), (620, 253598), (713, 220520), (740, 212474), (745, 211048), (851, 184760), (920, 170903), (1147, 137080), (1192, 131905), (1240, 126799), (1426, 110260), (1480, 106237), (1490, 105524), (1702, 92380), (2294, 68540), (2852, 55130), (2980, 52762), (3404, 46190), (3427, 45880), (3565, 44104), (4255, 36952), (4588, 34270), (4619, 34040), (5513, 28520), (5704, 27565), (5735, 27416), (5960, 26381), (6808, 23095), (6854, 22940), (7130, 22052), (8510, 18476), (9176, 17135), (9238, 17020), (11026, 14260), (11470, 13708)]