127655920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 357584256

約数和(自身を除く): 229928336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 61, 70, 74, 80, 101, 112, 122, 140, 148, 185, 202, 244, 259, 280, 296, 305, 370, 404, 427, 488, 505, 518, 560, 592, 610, 707, 740, 808, 854, 976, 1010, 1036, 1220, 1295, 1414, 1480, 1616, 1708, 2020, 2072, 2135, 2257, 2440, 2590, 2828, 2960, 3416, 3535, 3737, 4040, 4144, 4270, 4514, 4880, 5180, 5656, 6161, 6832, 7070, 7474, 8080, 8540, 9028, 10360, 11285, 11312, 12322, 14140, 14948, 15799, 17080, 18056, 18685, 20720, 22570, 24644, 26159, 28280, 29896, 30805, 31598, 34160, 36112, 37370, 43127, 45140, 49288, 52318, 56560, 59792, 61610, 63196, 74740, 78995, 86254, 90280, 98576, 104636, 123220, 126392, 130795, 149480, 157990, 172508, 180560, 209272, 215635, 227957, 246440, 252784, 261590, 298960, 315980, 345016, 418544, 431270, 455914, 492880, 523180, 631960, 690032, 862540, 911828, 1046360, 1139785, 1263920, 1595699, 1725080, 1823656, 2092720, 2279570, 3191398, 3450160, 3647312, 4559140, 6382796, 7978495, 9118280, 12765592, 15956990, 18236560, 25531184, 31913980, 63827960, 127655920]

約数ペア:

[(1, 127655920), (2, 63827960), (4, 31913980), (5, 25531184), (7, 18236560), (8, 15956990), (10, 12765592), (14, 9118280), (16, 7978495), (20, 6382796), (28, 4559140), (35, 3647312), (37, 3450160), (40, 3191398), (56, 2279570), (61, 2092720), (70, 1823656), (74, 1725080), (80, 1595699), (101, 1263920), (112, 1139785), (122, 1046360), (140, 911828), (148, 862540), (185, 690032), (202, 631960), (244, 523180), (259, 492880), (280, 455914), (296, 431270), (305, 418544), (370, 345016), (404, 315980), (427, 298960), (488, 261590), (505, 252784), (518, 246440), (560, 227957), (592, 215635), (610, 209272), (707, 180560), (740, 172508), (808, 157990), (854, 149480), (976, 130795), (1010, 126392), (1036, 123220), (1220, 104636), (1295, 98576), (1414, 90280), (1480, 86254), (1616, 78995), (1708, 74740), (2020, 63196), (2072, 61610), (2135, 59792), (2257, 56560), (2440, 52318), (2590, 49288), (2828, 45140), (2960, 43127), (3416, 37370), (3535, 36112), (3737, 34160), (4040, 31598), (4144, 30805), (4270, 29896), (4514, 28280), (4880, 26159), (5180, 24644), (5656, 22570), (6161, 20720), (6832, 18685), (7070, 18056), (7474, 17080), (8080, 15799), (8540, 14948), (9028, 14140), (10360, 12322), (11285, 11312)]