8877780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 29213184

約数和(自身を除く): 20335404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 43, 45, 60, 62, 74, 86, 90, 93, 111, 124, 129, 148, 155, 172, 180, 185, 186, 215, 222, 258, 279, 310, 333, 370, 372, 387, 430, 444, 465, 516, 555, 558, 620, 645, 666, 740, 774, 860, 930, 1110, 1116, 1147, 1290, 1332, 1333, 1395, 1548, 1591, 1665, 1860, 1935, 2220, 2294, 2580, 2666, 2790, 3182, 3330, 3441, 3870, 3999, 4588, 4773, 5332, 5580, 5735, 6364, 6660, 6665, 6882, 7740, 7955, 7998, 9546, 10323, 11470, 11997, 13330, 13764, 14319, 15910, 15996, 17205, 19092, 19995, 20646, 22940, 23865, 23994, 26660, 28638, 31820, 34410, 39990, 41292, 47730, 47988, 49321, 51615, 57276, 59985, 68820, 71595, 79980, 95460, 98642, 103230, 119970, 143190, 147963, 197284, 206460, 239940, 246605, 286380, 295926, 443889, 493210, 591852, 739815, 887778, 986420, 1479630, 1775556, 2219445, 2959260, 4438890, 8877780]

約数ペア:

[(1, 8877780), (2, 4438890), (3, 2959260), (4, 2219445), (5, 1775556), (6, 1479630), (9, 986420), (10, 887778), (12, 739815), (15, 591852), (18, 493210), (20, 443889), (30, 295926), (31, 286380), (36, 246605), (37, 239940), (43, 206460), (45, 197284), (60, 147963), (62, 143190), (74, 119970), (86, 103230), (90, 98642), (93, 95460), (111, 79980), (124, 71595), (129, 68820), (148, 59985), (155, 57276), (172, 51615), (180, 49321), (185, 47988), (186, 47730), (215, 41292), (222, 39990), (258, 34410), (279, 31820), (310, 28638), (333, 26660), (370, 23994), (372, 23865), (387, 22940), (430, 20646), (444, 19995), (465, 19092), (516, 17205), (555, 15996), (558, 15910), (620, 14319), (645, 13764), (666, 13330), (740, 11997), (774, 11470), (860, 10323), (930, 9546), (1110, 7998), (1116, 7955), (1147, 7740), (1290, 6882), (1332, 6665), (1333, 6660), (1395, 6364), (1548, 5735), (1591, 5580), (1665, 5332), (1860, 4773), (1935, 4588), (2220, 3999), (2294, 3870), (2580, 3441), (2666, 3330), (2790, 3182)]