1406720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{157}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 3875424

約数和(自身を除く): 2468704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 157, 160, 224, 256, 280, 314, 320, 448, 560, 628, 640, 785, 896, 1099, 1120, 1256, 1280, 1570, 1792, 2198, 2240, 2512, 3140, 4396, 4480, 5024, 5495, 6280, 8792, 8960, 10048, 10990, 12560, 17584, 20096, 21980, 25120, 35168, 40192, 43960, 50240, 70336, 87920, 100480, 140672, 175840, 200960, 281344, 351680, 703360, 1406720]

約数ペア:

[(1, 1406720), (2, 703360), (4, 351680), (5, 281344), (7, 200960), (8, 175840), (10, 140672), (14, 100480), (16, 87920), (20, 70336), (28, 50240), (32, 43960), (35, 40192), (40, 35168), (56, 25120), (64, 21980), (70, 20096), (80, 17584), (112, 12560), (128, 10990), (140, 10048), (157, 8960), (160, 8792), (224, 6280), (256, 5495), (280, 5024), (314, 4480), (320, 4396), (448, 3140), (560, 2512), (628, 2240), (640, 2198), (785, 1792), (896, 1570), (1099, 1280), (1120, 1256)]