78220440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:254

約数の個数: 192

約数和(自身を含む): 270167040

約数和(自身を除く): 191946600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 43, 45, 60, 62, 72, 86, 90, 93, 120, 124, 129, 155, 163, 172, 180, 186, 215, 248, 258, 279, 310, 326, 344, 360, 372, 387, 430, 465, 489, 516, 558, 620, 645, 652, 744, 774, 815, 860, 930, 978, 1032, 1116, 1240, 1290, 1304, 1333, 1395, 1467, 1548, 1630, 1720, 1860, 1935, 1956, 2232, 2445, 2580, 2666, 2790, 2934, 3096, 3260, 3720, 3870, 3912, 3999, 4890, 5053, 5160, 5332, 5580, 5868, 6520, 6665, 7009, 7335, 7740, 7998, 9780, 10106, 10664, 11160, 11736, 11997, 13330, 14018, 14670, 15159, 15480, 15996, 19560, 19995, 20212, 21027, 23994, 25265, 26660, 28036, 29340, 30318, 31992, 35045, 39990, 40424, 42054, 45477, 47988, 50530, 53320, 56072, 58680, 59985, 60636, 63081, 70090, 75795, 79980, 84108, 90954, 95976, 101060, 105135, 119970, 121272, 126162, 140180, 151590, 159960, 168216, 181908, 202120, 210270, 217279, 227385, 239940, 252324, 280360, 303180, 315405, 363816, 420540, 434558, 454770, 479880, 504648, 606360, 630810, 651837, 841080, 869116, 909540, 1086395, 1261620, 1303674, 1738232, 1819080, 1955511, 2172790, 2523240, 2607348, 3259185, 3911022, 4345580, 5214696, 6518370, 7822044, 8691160, 9777555, 13036740, 15644088, 19555110, 26073480, 39110220, 78220440]

約数ペア:

[(1, 78220440), (2, 39110220), (3, 26073480), (4, 19555110), (5, 15644088), (6, 13036740), (8, 9777555), (9, 8691160), (10, 7822044), (12, 6518370), (15, 5214696), (18, 4345580), (20, 3911022), (24, 3259185), (30, 2607348), (31, 2523240), (36, 2172790), (40, 1955511), (43, 1819080), (45, 1738232), (60, 1303674), (62, 1261620), (72, 1086395), (86, 909540), (90, 869116), (93, 841080), (120, 651837), (124, 630810), (129, 606360), (155, 504648), (163, 479880), (172, 454770), (180, 434558), (186, 420540), (215, 363816), (248, 315405), (258, 303180), (279, 280360), (310, 252324), (326, 239940), (344, 227385), (360, 217279), (372, 210270), (387, 202120), (430, 181908), (465, 168216), (489, 159960), (516, 151590), (558, 140180), (620, 126162), (645, 121272), (652, 119970), (744, 105135), (774, 101060), (815, 95976), (860, 90954), (930, 84108), (978, 79980), (1032, 75795), (1116, 70090), (1240, 63081), (1290, 60636), (1304, 59985), (1333, 58680), (1395, 56072), (1467, 53320), (1548, 50530), (1630, 47988), (1720, 45477), (1860, 42054), (1935, 40424), (1956, 39990), (2232, 35045), (2445, 31992), (2580, 30318), (2666, 29340), (2790, 28036), (2934, 26660), (3096, 25265), (3260, 23994), (3720, 21027), (3870, 20212), (3912, 19995), (3999, 19560), (4890, 15996), (5053, 15480), (5160, 15159), (5332, 14670), (5580, 14018), (5868, 13330), (6520, 11997), (6665, 11736), (7009, 11160), (7335, 10664), (7740, 10106), (7998, 9780)]