128287920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:491

約数の個数: 160

約数和(自身を含む): 421115904

約数和(自身を除く): 292827984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 43, 48, 60, 62, 80, 86, 93, 120, 124, 129, 155, 172, 186, 215, 240, 248, 258, 310, 344, 372, 401, 430, 465, 496, 516, 620, 645, 688, 744, 802, 860, 930, 1032, 1203, 1240, 1290, 1333, 1488, 1604, 1720, 1860, 2005, 2064, 2406, 2480, 2580, 2666, 3208, 3440, 3720, 3999, 4010, 4812, 5160, 5332, 6015, 6416, 6665, 7440, 7998, 8020, 9624, 10320, 10664, 12030, 12431, 13330, 15996, 16040, 17243, 19248, 19995, 21328, 24060, 24862, 26660, 31992, 32080, 34486, 37293, 39990, 48120, 49724, 51729, 53320, 62155, 63984, 68972, 74586, 79980, 86215, 96240, 99448, 103458, 106640, 124310, 137944, 149172, 159960, 172430, 186465, 198896, 206916, 248620, 258645, 275888, 298344, 319920, 344860, 372930, 413832, 497240, 517290, 534533, 596688, 689720, 745860, 827664, 994480, 1034580, 1069066, 1379440, 1491720, 1603599, 2069160, 2138132, 2672665, 2983440, 3207198, 4138320, 4276264, 5345330, 6414396, 8017995, 8552528, 10690660, 12828792, 16035990, 21381320, 25657584, 32071980, 42762640, 64143960, 128287920]

約数ペア:

[(1, 128287920), (2, 64143960), (3, 42762640), (4, 32071980), (5, 25657584), (6, 21381320), (8, 16035990), (10, 12828792), (12, 10690660), (15, 8552528), (16, 8017995), (20, 6414396), (24, 5345330), (30, 4276264), (31, 4138320), (40, 3207198), (43, 2983440), (48, 2672665), (60, 2138132), (62, 2069160), (80, 1603599), (86, 1491720), (93, 1379440), (120, 1069066), (124, 1034580), (129, 994480), (155, 827664), (172, 745860), (186, 689720), (215, 596688), (240, 534533), (248, 517290), (258, 497240), (310, 413832), (344, 372930), (372, 344860), (401, 319920), (430, 298344), (465, 275888), (496, 258645), (516, 248620), (620, 206916), (645, 198896), (688, 186465), (744, 172430), (802, 159960), (860, 149172), (930, 137944), (1032, 124310), (1203, 106640), (1240, 103458), (1290, 99448), (1333, 96240), (1488, 86215), (1604, 79980), (1720, 74586), (1860, 68972), (2005, 63984), (2064, 62155), (2406, 53320), (2480, 51729), (2580, 49724), (2666, 48120), (3208, 39990), (3440, 37293), (3720, 34486), (3999, 32080), (4010, 31992), (4812, 26660), (5160, 24862), (5332, 24060), (6015, 21328), (6416, 19995), (6665, 19248), (7440, 17243), (7998, 16040), (8020, 15996), (9624, 13330), (10320, 12431), (10664, 12030)]