19871990760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{124231}}^1$

素因数の和:124319

約数の個数: 128

約数和(自身を含む): 62970716160

約数和(自身を除く): 43098725400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 172, 186, 215, 248, 258, 310, 344, 372, 430, 465, 516, 620, 645, 744, 860, 930, 1032, 1240, 1290, 1333, 1720, 1860, 2580, 2666, 3720, 3999, 5160, 5332, 6665, 7998, 10664, 13330, 15996, 19995, 26660, 31992, 39990, 53320, 79980, 124231, 159960, 248462, 372693, 496924, 621155, 745386, 993848, 1242310, 1490772, 1863465, 2484620, 2981544, 3726930, 3851161, 4969240, 5341933, 7453860, 7702322, 10683866, 11553483, 14907720, 15404644, 16025799, 19255805, 21367732, 23106966, 26709665, 30809288, 32051598, 38511610, 42735464, 46213932, 53419330, 57767415, 64103196, 77023220, 80128995, 92427864, 106838660, 115534830, 128206392, 154046440, 160257990, 165599923, 213677320, 231069660, 320515980, 331199846, 462139320, 496799769, 641031960, 662399692, 827999615, 993599538, 1324799384, 1655999230, 1987199076, 2483998845, 3311998460, 3974398152, 4967997690, 6623996920, 9935995380, 19871990760]

約数ペア:

[(1, 19871990760), (2, 9935995380), (3, 6623996920), (4, 4967997690), (5, 3974398152), (6, 3311998460), (8, 2483998845), (10, 1987199076), (12, 1655999230), (15, 1324799384), (20, 993599538), (24, 827999615), (30, 662399692), (31, 641031960), (40, 496799769), (43, 462139320), (60, 331199846), (62, 320515980), (86, 231069660), (93, 213677320), (120, 165599923), (124, 160257990), (129, 154046440), (155, 128206392), (172, 115534830), (186, 106838660), (215, 92427864), (248, 80128995), (258, 77023220), (310, 64103196), (344, 57767415), (372, 53419330), (430, 46213932), (465, 42735464), (516, 38511610), (620, 32051598), (645, 30809288), (744, 26709665), (860, 23106966), (930, 21367732), (1032, 19255805), (1240, 16025799), (1290, 15404644), (1333, 14907720), (1720, 11553483), (1860, 10683866), (2580, 7702322), (2666, 7453860), (3720, 5341933), (3999, 4969240), (5160, 3851161), (5332, 3726930), (6665, 2981544), (7998, 2484620), (10664, 1863465), (13330, 1490772), (15996, 1242310), (19995, 993848), (26660, 745386), (31992, 621155), (39990, 496924), (53320, 372693), (79980, 248462), (124231, 159960)]