67556440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 184504320

約数和(自身を除く): 116947880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 43, 56, 62, 70, 86, 124, 140, 155, 172, 181, 215, 217, 248, 280, 301, 310, 344, 362, 430, 434, 602, 620, 724, 860, 868, 905, 1085, 1204, 1240, 1267, 1333, 1448, 1505, 1720, 1736, 1810, 2170, 2408, 2534, 2666, 3010, 3620, 4340, 5068, 5332, 5611, 6020, 6335, 6665, 7240, 7783, 8680, 9331, 10136, 10664, 11222, 12040, 12670, 13330, 15566, 18662, 22444, 25340, 26660, 28055, 31132, 37324, 38915, 39277, 44888, 46655, 50680, 53320, 54481, 56110, 62264, 74648, 77830, 78554, 93310, 108962, 112220, 155660, 157108, 186620, 196385, 217924, 224440, 241273, 272405, 311320, 314216, 373240, 392770, 435848, 482546, 544810, 785540, 965092, 1089620, 1206365, 1571080, 1688911, 1930184, 2179240, 2412730, 3377822, 4825460, 6755644, 8444555, 9650920, 13511288, 16889110, 33778220, 67556440]

約数ペア:

[(1, 67556440), (2, 33778220), (4, 16889110), (5, 13511288), (7, 9650920), (8, 8444555), (10, 6755644), (14, 4825460), (20, 3377822), (28, 2412730), (31, 2179240), (35, 1930184), (40, 1688911), (43, 1571080), (56, 1206365), (62, 1089620), (70, 965092), (86, 785540), (124, 544810), (140, 482546), (155, 435848), (172, 392770), (181, 373240), (215, 314216), (217, 311320), (248, 272405), (280, 241273), (301, 224440), (310, 217924), (344, 196385), (362, 186620), (430, 157108), (434, 155660), (602, 112220), (620, 108962), (724, 93310), (860, 78554), (868, 77830), (905, 74648), (1085, 62264), (1204, 56110), (1240, 54481), (1267, 53320), (1333, 50680), (1448, 46655), (1505, 44888), (1720, 39277), (1736, 38915), (1810, 37324), (2170, 31132), (2408, 28055), (2534, 26660), (2666, 25340), (3010, 22444), (3620, 18662), (4340, 15566), (5068, 13330), (5332, 12670), (5611, 12040), (6020, 11222), (6335, 10664), (6665, 10136), (7240, 9331), (7783, 8680)]