208689960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{102299}}^1$

素因数の和:102330

約数の個数: 64

約数和(自身を含む): 662904000

約数和(自身を除く): 454214040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 102299, 204598, 306897, 409196, 511495, 613794, 818392, 1022990, 1227588, 1534485, 1739083, 2045980, 2455176, 3068970, 3478166, 4091960, 5217249, 6137940, 6956332, 8695415, 10434498, 12275880, 13912664, 17390830, 20868996, 26086245, 34781660, 41737992, 52172490, 69563320, 104344980, 208689960]

約数ペア:

[(1, 208689960), (2, 104344980), (3, 69563320), (4, 52172490), (5, 41737992), (6, 34781660), (8, 26086245), (10, 20868996), (12, 17390830), (15, 13912664), (17, 12275880), (20, 10434498), (24, 8695415), (30, 6956332), (34, 6137940), (40, 5217249), (51, 4091960), (60, 3478166), (68, 3068970), (85, 2455176), (102, 2045980), (120, 1739083), (136, 1534485), (170, 1227588), (204, 1022990), (255, 818392), (340, 613794), (408, 511495), (510, 409196), (680, 306897), (1020, 204598), (2040, 102299)]