15703520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2003}}^1$

素因数の和:2032

約数の個数: 72

約数和(自身を含む): 43178184

約数和(自身を除く): 27474664

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, 2003, 3920, 4006, 7840, 8012, 10015, 14021, 16024, 20030, 28042, 32048, 40060, 56084, 64096, 70105, 80120, 98147, 112168, 140210, 160240, 196294, 224336, 280420, 320480, 392588, 448672, 490735, 560840, 785176, 981470, 1121680, 1570352, 1962940, 2243360, 3140704, 3925880, 7851760, 15703520]

約数ペア:

[(1, 15703520), (2, 7851760), (4, 3925880), (5, 3140704), (7, 2243360), (8, 1962940), (10, 1570352), (14, 1121680), (16, 981470), (20, 785176), (28, 560840), (32, 490735), (35, 448672), (40, 392588), (49, 320480), (56, 280420), (70, 224336), (80, 196294), (98, 160240), (112, 140210), (140, 112168), (160, 98147), (196, 80120), (224, 70105), (245, 64096), (280, 56084), (392, 40060), (490, 32048), (560, 28042), (784, 20030), (980, 16024), (1120, 14021), (1568, 10015), (1960, 8012), (2003, 7840), (3920, 4006)]