78111180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1319}}^1$

素因数の和:1388

約数の個数: 144

約数和(自身を含む): 276756480

約数和(自身を除く): 198645300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1319, 1410, 1645, 1692, 1974, 2115, 2638, 2820, 2961, 3290, 3948, 3957, 4230, 4935, 5276, 5922, 6580, 6595, 7914, 8460, 9233, 9870, 11844, 11871, 13190, 14805, 15828, 18466, 19740, 19785, 23742, 26380, 27699, 29610, 36932, 39570, 46165, 47484, 55398, 59220, 59355, 61993, 79140, 83097, 92330, 110796, 118710, 123986, 138495, 166194, 184660, 185979, 237420, 247972, 276990, 309965, 332388, 371958, 415485, 433951, 553980, 557937, 619930, 743916, 830970, 867902, 929895, 1115874, 1239860, 1301853, 1661940, 1735804, 1859790, 2169755, 2231748, 2603706, 2789685, 3719580, 3905559, 4339510, 5207412, 5579370, 6509265, 7811118, 8679020, 11158740, 13018530, 15622236, 19527795, 26037060, 39055590, 78111180]

約数ペア:

[(1, 78111180), (2, 39055590), (3, 26037060), (4, 19527795), (5, 15622236), (6, 13018530), (7, 11158740), (9, 8679020), (10, 7811118), (12, 6509265), (14, 5579370), (15, 5207412), (18, 4339510), (20, 3905559), (21, 3719580), (28, 2789685), (30, 2603706), (35, 2231748), (36, 2169755), (42, 1859790), (45, 1735804), (47, 1661940), (60, 1301853), (63, 1239860), (70, 1115874), (84, 929895), (90, 867902), (94, 830970), (105, 743916), (126, 619930), (140, 557937), (141, 553980), (180, 433951), (188, 415485), (210, 371958), (235, 332388), (252, 309965), (282, 276990), (315, 247972), (329, 237420), (420, 185979), (423, 184660), (470, 166194), (564, 138495), (630, 123986), (658, 118710), (705, 110796), (846, 92330), (940, 83097), (987, 79140), (1260, 61993), (1316, 59355), (1319, 59220), (1410, 55398), (1645, 47484), (1692, 46165), (1974, 39570), (2115, 36932), (2638, 29610), (2820, 27699), (2961, 26380), (3290, 23742), (3948, 19785), (3957, 19740), (4230, 18466), (4935, 15828), (5276, 14805), (5922, 13190), (6580, 11871), (6595, 11844), (7914, 9870), (8460, 9233)]