853642720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{108883}}^1$

素因数の和:108912

約数の個数: 72

約数和(自身を含む): 2346014664

約数和(自身を除く): 1492371944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 108883, 217766, 435532, 544415, 762181, 871064, 1088830, 1524362, 1742128, 2177660, 3048724, 3484256, 3810905, 4355320, 5335267, 6097448, 7621810, 8710640, 10670534, 12194896, 15243620, 17421280, 21341068, 24389792, 26676335, 30487240, 42682136, 53352670, 60974480, 85364272, 106705340, 121948960, 170728544, 213410680, 426821360, 853642720]

約数ペア:

[(1, 853642720), (2, 426821360), (4, 213410680), (5, 170728544), (7, 121948960), (8, 106705340), (10, 85364272), (14, 60974480), (16, 53352670), (20, 42682136), (28, 30487240), (32, 26676335), (35, 24389792), (40, 21341068), (49, 17421280), (56, 15243620), (70, 12194896), (80, 10670534), (98, 8710640), (112, 7621810), (140, 6097448), (160, 5335267), (196, 4355320), (224, 3810905), (245, 3484256), (280, 3048724), (392, 2177660), (490, 1742128), (560, 1524362), (784, 1088830), (980, 871064), (1120, 762181), (1568, 544415), (1960, 435532), (3920, 217766), (7840, 108883)]