3982720

素因数分解:

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

素因数の和:160

約数の個数: 96

約数和(自身を含む): 11162880

約数和(自身を除く): 7180160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 127, 128, 140, 160, 196, 224, 245, 254, 280, 320, 392, 448, 490, 508, 560, 635, 640, 784, 889, 896, 980, 1016, 1120, 1270, 1568, 1778, 1960, 2032, 2240, 2540, 3136, 3556, 3920, 4064, 4445, 4480, 5080, 6223, 6272, 7112, 7840, 8128, 8890, 10160, 12446, 14224, 15680, 16256, 17780, 20320, 24892, 28448, 31115, 31360, 35560, 40640, 49784, 56896, 62230, 71120, 81280, 99568, 113792, 124460, 142240, 199136, 248920, 284480, 398272, 497840, 568960, 796544, 995680, 1991360, 3982720]

約数ペア:

[(1, 3982720), (2, 1991360), (4, 995680), (5, 796544), (7, 568960), (8, 497840), (10, 398272), (14, 284480), (16, 248920), (20, 199136), (28, 142240), (32, 124460), (35, 113792), (40, 99568), (49, 81280), (56, 71120), (64, 62230), (70, 56896), (80, 49784), (98, 40640), (112, 35560), (127, 31360), (128, 31115), (140, 28448), (160, 24892), (196, 20320), (224, 17780), (245, 16256), (254, 15680), (280, 14224), (320, 12446), (392, 10160), (448, 8890), (490, 8128), (508, 7840), (560, 7112), (635, 6272), (640, 6223), (784, 5080), (889, 4480), (896, 4445), (980, 4064), (1016, 3920), (1120, 3556), (1270, 3136), (1568, 2540), (1778, 2240), (1960, 2032)]