707840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{79}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 1962240

約数和(自身を除く): 1254400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 256, 280, 316, 320, 395, 448, 553, 560, 632, 640, 790, 896, 1106, 1120, 1264, 1280, 1580, 1792, 2212, 2240, 2528, 2765, 3160, 4424, 4480, 5056, 5530, 6320, 8848, 8960, 10112, 11060, 12640, 17696, 20224, 22120, 25280, 35392, 44240, 50560, 70784, 88480, 101120, 141568, 176960, 353920, 707840]

約数ペア:

[(1, 707840), (2, 353920), (4, 176960), (5, 141568), (7, 101120), (8, 88480), (10, 70784), (14, 50560), (16, 44240), (20, 35392), (28, 25280), (32, 22120), (35, 20224), (40, 17696), (56, 12640), (64, 11060), (70, 10112), (79, 8960), (80, 8848), (112, 6320), (128, 5530), (140, 5056), (158, 4480), (160, 4424), (224, 3160), (256, 2765), (280, 2528), (316, 2240), (320, 2212), (395, 1792), (448, 1580), (553, 1280), (560, 1264), (632, 1120), (640, 1106), (790, 896)]