138919920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:543

約数の個数: 160

約数和(自身を含む): 462827520

約数和(自身を除く): 323907600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 79, 80, 85, 102, 120, 136, 158, 170, 204, 237, 240, 255, 272, 316, 340, 395, 408, 431, 474, 510, 632, 680, 790, 816, 862, 948, 1020, 1185, 1264, 1293, 1343, 1360, 1580, 1724, 1896, 2040, 2155, 2370, 2586, 2686, 3160, 3448, 3792, 4029, 4080, 4310, 4740, 5172, 5372, 6320, 6465, 6715, 6896, 7327, 8058, 8620, 9480, 10344, 10744, 12930, 13430, 14654, 16116, 17240, 18960, 20145, 20688, 21488, 21981, 25860, 26860, 29308, 32232, 34049, 34480, 36635, 40290, 43962, 51720, 53720, 58616, 64464, 68098, 73270, 80580, 87924, 102147, 103440, 107440, 109905, 117232, 136196, 146540, 161160, 170245, 175848, 204294, 219810, 272392, 293080, 322320, 340490, 351696, 408588, 439620, 510735, 544784, 578833, 586160, 680980, 817176, 879240, 1021470, 1157666, 1361960, 1634352, 1736499, 1758480, 2042940, 2315332, 2723920, 2894165, 3472998, 4085880, 4630664, 5788330, 6945996, 8171760, 8682495, 9261328, 11576660, 13891992, 17364990, 23153320, 27783984, 34729980, 46306640, 69459960, 138919920]

約数ペア:

[(1, 138919920), (2, 69459960), (3, 46306640), (4, 34729980), (5, 27783984), (6, 23153320), (8, 17364990), (10, 13891992), (12, 11576660), (15, 9261328), (16, 8682495), (17, 8171760), (20, 6945996), (24, 5788330), (30, 4630664), (34, 4085880), (40, 3472998), (48, 2894165), (51, 2723920), (60, 2315332), (68, 2042940), (79, 1758480), (80, 1736499), (85, 1634352), (102, 1361960), (120, 1157666), (136, 1021470), (158, 879240), (170, 817176), (204, 680980), (237, 586160), (240, 578833), (255, 544784), (272, 510735), (316, 439620), (340, 408588), (395, 351696), (408, 340490), (431, 322320), (474, 293080), (510, 272392), (632, 219810), (680, 204294), (790, 175848), (816, 170245), (862, 161160), (948, 146540), (1020, 136196), (1185, 117232), (1264, 109905), (1293, 107440), (1343, 103440), (1360, 102147), (1580, 87924), (1724, 80580), (1896, 73270), (2040, 68098), (2155, 64464), (2370, 58616), (2586, 53720), (2686, 51720), (3160, 43962), (3448, 40290), (3792, 36635), (4029, 34480), (4080, 34049), (4310, 32232), (4740, 29308), (5172, 26860), (5372, 25860), (6320, 21981), (6465, 21488), (6715, 20688), (6896, 20145), (7327, 18960), (8058, 17240), (8620, 16116), (9480, 14654), (10344, 13430), (10744, 12930)]