157978160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^2$

素因数の和:175

約数の個数: 120

約数和(自身を含む): 404713680

約数和(自身を除く): 246735520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 53, 74, 76, 80, 95, 106, 148, 152, 185, 190, 212, 265, 296, 304, 370, 380, 424, 530, 592, 703, 740, 760, 848, 1007, 1060, 1406, 1480, 1520, 1961, 2014, 2120, 2809, 2812, 2960, 3515, 3922, 4028, 4240, 5035, 5618, 5624, 7030, 7844, 8056, 9805, 10070, 11236, 11248, 14045, 14060, 15688, 16112, 19610, 20140, 22472, 28090, 28120, 31376, 37259, 39220, 40280, 44944, 53371, 56180, 56240, 74518, 78440, 80560, 103933, 106742, 112360, 149036, 156880, 186295, 207866, 213484, 224720, 266855, 298072, 372590, 415732, 426968, 519665, 533710, 596144, 745180, 831464, 853936, 1039330, 1067420, 1490360, 1662928, 1974727, 2078660, 2134840, 2980720, 3949454, 4157320, 4269680, 7898908, 8314640, 9873635, 15797816, 19747270, 31595632, 39494540, 78989080, 157978160]

約数ペア:

[(1, 157978160), (2, 78989080), (4, 39494540), (5, 31595632), (8, 19747270), (10, 15797816), (16, 9873635), (19, 8314640), (20, 7898908), (37, 4269680), (38, 4157320), (40, 3949454), (53, 2980720), (74, 2134840), (76, 2078660), (80, 1974727), (95, 1662928), (106, 1490360), (148, 1067420), (152, 1039330), (185, 853936), (190, 831464), (212, 745180), (265, 596144), (296, 533710), (304, 519665), (370, 426968), (380, 415732), (424, 372590), (530, 298072), (592, 266855), (703, 224720), (740, 213484), (760, 207866), (848, 186295), (1007, 156880), (1060, 149036), (1406, 112360), (1480, 106742), (1520, 103933), (1961, 80560), (2014, 78440), (2120, 74518), (2809, 56240), (2812, 56180), (2960, 53371), (3515, 44944), (3922, 40280), (4028, 39220), (4240, 37259), (5035, 31376), (5618, 28120), (5624, 28090), (7030, 22472), (7844, 20140), (8056, 19610), (9805, 16112), (10070, 15688), (11236, 14060), (11248, 14045)]