66789180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:424

約数の個数: 144

約数和(自身を含む): 217526400

約数和(自身を除く): 150737220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 59, 60, 76, 90, 95, 114, 118, 171, 177, 180, 190, 228, 236, 285, 295, 331, 342, 354, 380, 531, 570, 590, 662, 684, 708, 855, 885, 993, 1062, 1121, 1140, 1180, 1324, 1655, 1710, 1770, 1986, 2124, 2242, 2655, 2979, 3310, 3363, 3420, 3540, 3972, 4484, 4965, 5310, 5605, 5958, 6289, 6620, 6726, 9930, 10089, 10620, 11210, 11916, 12578, 13452, 14895, 16815, 18867, 19529, 19860, 20178, 22420, 25156, 29790, 31445, 33630, 37734, 39058, 40356, 50445, 56601, 58587, 59580, 62890, 67260, 75468, 78116, 94335, 97645, 100890, 113202, 117174, 125780, 175761, 188670, 195290, 201780, 226404, 234348, 283005, 292935, 351522, 371051, 377340, 390580, 566010, 585870, 703044, 742102, 878805, 1113153, 1132020, 1171740, 1484204, 1757610, 1855255, 2226306, 3339459, 3515220, 3710510, 4452612, 5565765, 6678918, 7421020, 11131530, 13357836, 16697295, 22263060, 33394590, 66789180]

約数ペア:

[(1, 66789180), (2, 33394590), (3, 22263060), (4, 16697295), (5, 13357836), (6, 11131530), (9, 7421020), (10, 6678918), (12, 5565765), (15, 4452612), (18, 3710510), (19, 3515220), (20, 3339459), (30, 2226306), (36, 1855255), (38, 1757610), (45, 1484204), (57, 1171740), (59, 1132020), (60, 1113153), (76, 878805), (90, 742102), (95, 703044), (114, 585870), (118, 566010), (171, 390580), (177, 377340), (180, 371051), (190, 351522), (228, 292935), (236, 283005), (285, 234348), (295, 226404), (331, 201780), (342, 195290), (354, 188670), (380, 175761), (531, 125780), (570, 117174), (590, 113202), (662, 100890), (684, 97645), (708, 94335), (855, 78116), (885, 75468), (993, 67260), (1062, 62890), (1121, 59580), (1140, 58587), (1180, 56601), (1324, 50445), (1655, 40356), (1710, 39058), (1770, 37734), (1986, 33630), (2124, 31445), (2242, 29790), (2655, 25156), (2979, 22420), (3310, 20178), (3363, 19860), (3420, 19529), (3540, 18867), (3972, 16815), (4484, 14895), (4965, 13452), (5310, 12578), (5605, 11916), (5958, 11210), (6289, 10620), (6620, 10089), (6726, 9930)]