1980890460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{6917}}^1$

素因数の和:7012

約数の個数: 144

約数和(自身を含む): 6315525216

約数和(自身を除く): 4334634756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 43, 45, 60, 74, 86, 90, 111, 129, 148, 172, 180, 185, 215, 222, 258, 333, 370, 387, 430, 444, 516, 555, 645, 666, 740, 774, 860, 1110, 1290, 1332, 1548, 1591, 1665, 1935, 2220, 2580, 3182, 3330, 3870, 4773, 6364, 6660, 6917, 7740, 7955, 9546, 13834, 14319, 15910, 19092, 20751, 23865, 27668, 28638, 31820, 34585, 41502, 47730, 57276, 62253, 69170, 71595, 83004, 95460, 103755, 124506, 138340, 143190, 207510, 249012, 255929, 286380, 297431, 311265, 415020, 511858, 594862, 622530, 767787, 892293, 1023716, 1189724, 1245060, 1279645, 1487155, 1535574, 1784586, 2303361, 2559290, 2676879, 2974310, 3071148, 3569172, 3838935, 4461465, 4606722, 5118580, 5353758, 5948620, 7677870, 8922930, 9213444, 10707516, 11004947, 11516805, 13384395, 15355740, 17845860, 22009894, 23033610, 26768790, 33014841, 44019788, 46067220, 53537580, 55024735, 66029682, 99044523, 110049470, 132059364, 165074205, 198089046, 220098940, 330148410, 396178092, 495222615, 660296820, 990445230, 1980890460]

約数ペア:

[(1, 1980890460), (2, 990445230), (3, 660296820), (4, 495222615), (5, 396178092), (6, 330148410), (9, 220098940), (10, 198089046), (12, 165074205), (15, 132059364), (18, 110049470), (20, 99044523), (30, 66029682), (36, 55024735), (37, 53537580), (43, 46067220), (45, 44019788), (60, 33014841), (74, 26768790), (86, 23033610), (90, 22009894), (111, 17845860), (129, 15355740), (148, 13384395), (172, 11516805), (180, 11004947), (185, 10707516), (215, 9213444), (222, 8922930), (258, 7677870), (333, 5948620), (370, 5353758), (387, 5118580), (430, 4606722), (444, 4461465), (516, 3838935), (555, 3569172), (645, 3071148), (666, 2974310), (740, 2676879), (774, 2559290), (860, 2303361), (1110, 1784586), (1290, 1535574), (1332, 1487155), (1548, 1279645), (1591, 1245060), (1665, 1189724), (1935, 1023716), (2220, 892293), (2580, 767787), (3182, 622530), (3330, 594862), (3870, 511858), (4773, 415020), (6364, 311265), (6660, 297431), (6917, 286380), (7740, 255929), (7955, 249012), (9546, 207510), (13834, 143190), (14319, 138340), (15910, 124506), (19092, 103755), (20751, 95460), (23865, 83004), (27668, 71595), (28638, 69170), (31820, 62253), (34585, 57276), (41502, 47730)]