87981270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{521}}^1$

素因数の和:977

約数の個数: 64

約数和(自身を含む): 228360384

約数和(自身を除く): 140379114

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 433, 521, 866, 1042, 1299, 1563, 2165, 2598, 2605, 3126, 4330, 5210, 5629, 6495, 6773, 7815, 11258, 12990, 13546, 15630, 16887, 20319, 28145, 33774, 33865, 40638, 56290, 67730, 84435, 101595, 168870, 203190, 225593, 451186, 676779, 1127965, 1353558, 2255930, 2932709, 3383895, 5865418, 6767790, 8798127, 14663545, 17596254, 29327090, 43990635, 87981270]

約数ペア:

[(1, 87981270), (2, 43990635), (3, 29327090), (5, 17596254), (6, 14663545), (10, 8798127), (13, 6767790), (15, 5865418), (26, 3383895), (30, 2932709), (39, 2255930), (65, 1353558), (78, 1127965), (130, 676779), (195, 451186), (390, 225593), (433, 203190), (521, 168870), (866, 101595), (1042, 84435), (1299, 67730), (1563, 56290), (2165, 40638), (2598, 33865), (2605, 33774), (3126, 28145), (4330, 20319), (5210, 16887), (5629, 15630), (6495, 13546), (6773, 12990), (7815, 11258)]