154788760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 416747520

約数和(自身を除く): 261958760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 67, 70, 74, 134, 140, 148, 185, 223, 259, 268, 280, 296, 335, 370, 446, 469, 518, 536, 670, 740, 892, 938, 1036, 1115, 1295, 1340, 1480, 1561, 1784, 1876, 2072, 2230, 2345, 2479, 2590, 2680, 3122, 3752, 4460, 4690, 4958, 5180, 6244, 7805, 8251, 8920, 9380, 9916, 10360, 12395, 12488, 14941, 15610, 16502, 17353, 18760, 19832, 24790, 29882, 31220, 33004, 34706, 41255, 49580, 57757, 59764, 62440, 66008, 69412, 74705, 82510, 86765, 99160, 104587, 115514, 119528, 138824, 149410, 165020, 173530, 209174, 231028, 288785, 298820, 330040, 347060, 418348, 462056, 522935, 552817, 577570, 597640, 694120, 836696, 1045870, 1105634, 1155140, 2091740, 2211268, 2310280, 2764085, 3869719, 4183480, 4422536, 5528170, 7739438, 11056340, 15478876, 19348595, 22112680, 30957752, 38697190, 77394380, 154788760]

約数ペア:

[(1, 154788760), (2, 77394380), (4, 38697190), (5, 30957752), (7, 22112680), (8, 19348595), (10, 15478876), (14, 11056340), (20, 7739438), (28, 5528170), (35, 4422536), (37, 4183480), (40, 3869719), (56, 2764085), (67, 2310280), (70, 2211268), (74, 2091740), (134, 1155140), (140, 1105634), (148, 1045870), (185, 836696), (223, 694120), (259, 597640), (268, 577570), (280, 552817), (296, 522935), (335, 462056), (370, 418348), (446, 347060), (469, 330040), (518, 298820), (536, 288785), (670, 231028), (740, 209174), (892, 173530), (938, 165020), (1036, 149410), (1115, 138824), (1295, 119528), (1340, 115514), (1480, 104587), (1561, 99160), (1784, 86765), (1876, 82510), (2072, 74705), (2230, 69412), (2345, 66008), (2479, 62440), (2590, 59764), (2680, 57757), (3122, 49580), (3752, 41255), (4460, 34706), (4690, 33004), (4958, 31220), (5180, 29882), (6244, 24790), (7805, 19832), (8251, 18760), (8920, 17353), (9380, 16502), (9916, 15610), (10360, 14941), (12395, 12488)]