128323980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3347}}^1$

素因数の和:3436

約数の個数: 96

約数和(自身を含む): 404974080

約数和(自身を除く): 276650100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 90, 108, 135, 142, 180, 213, 270, 284, 355, 426, 540, 639, 710, 852, 1065, 1278, 1420, 1917, 2130, 2556, 3195, 3347, 3834, 4260, 6390, 6694, 7668, 9585, 10041, 12780, 13388, 16735, 19170, 20082, 30123, 33470, 38340, 40164, 50205, 60246, 66940, 90369, 100410, 120492, 150615, 180738, 200820, 237637, 301230, 361476, 451845, 475274, 602460, 712911, 903690, 950548, 1188185, 1425822, 1807380, 2138733, 2376370, 2851644, 3564555, 4277466, 4752740, 6416199, 7129110, 8554932, 10693665, 12832398, 14258220, 21387330, 25664796, 32080995, 42774660, 64161990, 128323980]

約数ペア:

[(1, 128323980), (2, 64161990), (3, 42774660), (4, 32080995), (5, 25664796), (6, 21387330), (9, 14258220), (10, 12832398), (12, 10693665), (15, 8554932), (18, 7129110), (20, 6416199), (27, 4752740), (30, 4277466), (36, 3564555), (45, 2851644), (54, 2376370), (60, 2138733), (71, 1807380), (90, 1425822), (108, 1188185), (135, 950548), (142, 903690), (180, 712911), (213, 602460), (270, 475274), (284, 451845), (355, 361476), (426, 301230), (540, 237637), (639, 200820), (710, 180738), (852, 150615), (1065, 120492), (1278, 100410), (1420, 90369), (1917, 66940), (2130, 60246), (2556, 50205), (3195, 40164), (3347, 38340), (3834, 33470), (4260, 30123), (6390, 20082), (6694, 19170), (7668, 16735), (9585, 13388), (10041, 12780)]