125621920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 330311520

約数和(自身を除く): 204689600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 43, 62, 76, 80, 86, 95, 124, 152, 155, 160, 172, 190, 215, 248, 304, 310, 344, 380, 430, 496, 589, 608, 620, 688, 760, 817, 860, 961, 992, 1178, 1240, 1333, 1376, 1520, 1634, 1720, 1922, 2356, 2480, 2666, 2945, 3040, 3268, 3440, 3844, 4085, 4712, 4805, 4960, 5332, 5890, 6536, 6665, 6880, 7688, 8170, 9424, 9610, 10664, 11780, 13072, 13330, 15376, 16340, 18259, 18848, 19220, 21328, 23560, 25327, 26144, 26660, 30752, 32680, 36518, 38440, 41323, 42656, 47120, 50654, 53320, 65360, 73036, 76880, 82646, 91295, 94240, 101308, 106640, 126635, 130720, 146072, 153760, 165292, 182590, 202616, 206615, 213280, 253270, 292144, 330584, 365180, 405232, 413230, 506540, 584288, 661168, 730360, 785137, 810464, 826460, 1013080, 1322336, 1460720, 1570274, 1652920, 2026160, 2921440, 3140548, 3305840, 3925685, 4052320, 6281096, 6611680, 7851370, 12562192, 15702740, 25124384, 31405480, 62810960, 125621920]

約数ペア:

[(1, 125621920), (2, 62810960), (4, 31405480), (5, 25124384), (8, 15702740), (10, 12562192), (16, 7851370), (19, 6611680), (20, 6281096), (31, 4052320), (32, 3925685), (38, 3305840), (40, 3140548), (43, 2921440), (62, 2026160), (76, 1652920), (80, 1570274), (86, 1460720), (95, 1322336), (124, 1013080), (152, 826460), (155, 810464), (160, 785137), (172, 730360), (190, 661168), (215, 584288), (248, 506540), (304, 413230), (310, 405232), (344, 365180), (380, 330584), (430, 292144), (496, 253270), (589, 213280), (608, 206615), (620, 202616), (688, 182590), (760, 165292), (817, 153760), (860, 146072), (961, 130720), (992, 126635), (1178, 106640), (1240, 101308), (1333, 94240), (1376, 91295), (1520, 82646), (1634, 76880), (1720, 73036), (1922, 65360), (2356, 53320), (2480, 50654), (2666, 47120), (2945, 42656), (3040, 41323), (3268, 38440), (3440, 36518), (3844, 32680), (4085, 30752), (4712, 26660), (4805, 26144), (4960, 25327), (5332, 23560), (5890, 21328), (6536, 19220), (6665, 18848), (6880, 18259), (7688, 16340), (8170, 15376), (9424, 13330), (9610, 13072), (10664, 11780)]