1395520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{89}}^1$

素因数の和:120

約数の個数: 84

約数和(自身を含む): 3909060

約数和(自身を除く): 2513540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 89, 98, 112, 140, 160, 178, 196, 224, 245, 280, 320, 356, 392, 445, 448, 490, 560, 623, 712, 784, 890, 980, 1120, 1246, 1424, 1568, 1780, 1960, 2240, 2492, 2848, 3115, 3136, 3560, 3920, 4361, 4984, 5696, 6230, 7120, 7840, 8722, 9968, 12460, 14240, 15680, 17444, 19936, 21805, 24920, 28480, 34888, 39872, 43610, 49840, 69776, 87220, 99680, 139552, 174440, 199360, 279104, 348880, 697760, 1395520]

約数ペア:

[(1, 1395520), (2, 697760), (4, 348880), (5, 279104), (7, 199360), (8, 174440), (10, 139552), (14, 99680), (16, 87220), (20, 69776), (28, 49840), (32, 43610), (35, 39872), (40, 34888), (49, 28480), (56, 24920), (64, 21805), (70, 19936), (80, 17444), (89, 15680), (98, 14240), (112, 12460), (140, 9968), (160, 8722), (178, 7840), (196, 7120), (224, 6230), (245, 5696), (280, 4984), (320, 4361), (356, 3920), (392, 3560), (445, 3136), (448, 3115), (490, 2848), (560, 2492), (623, 2240), (712, 1960), (784, 1780), (890, 1568), (980, 1424), (1120, 1246)]