140045440

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1723}}^1$

素因数の和:1869

約数の個数: 64

約数和(自身を含む): 337628160

約数和(自身を除く): 197582720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 1723, 2032, 2540, 3446, 4064, 5080, 6892, 8128, 8615, 10160, 13784, 16256, 17230, 20320, 27568, 34460, 40640, 55136, 68920, 81280, 110272, 137840, 218821, 220544, 275680, 437642, 551360, 875284, 1094105, 1102720, 1750568, 2188210, 3501136, 4376420, 7002272, 8752840, 14004544, 17505680, 28009088, 35011360, 70022720, 140045440]

約数ペア:

[(1, 140045440), (2, 70022720), (4, 35011360), (5, 28009088), (8, 17505680), (10, 14004544), (16, 8752840), (20, 7002272), (32, 4376420), (40, 3501136), (64, 2188210), (80, 1750568), (127, 1102720), (128, 1094105), (160, 875284), (254, 551360), (320, 437642), (508, 275680), (635, 220544), (640, 218821), (1016, 137840), (1270, 110272), (1723, 81280), (2032, 68920), (2540, 55136), (3446, 40640), (4064, 34460), (5080, 27568), (6892, 20320), (8128, 17230), (8615, 16256), (10160, 13784)]