1022720

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:85

約数の個数: 72

約数和(自身を含む): 2649024

約数和(自身を除く): 1626304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 64, 68, 80, 85, 94, 128, 136, 160, 170, 188, 235, 256, 272, 320, 340, 376, 470, 544, 640, 680, 752, 799, 940, 1088, 1280, 1360, 1504, 1598, 1880, 2176, 2720, 3008, 3196, 3760, 3995, 4352, 5440, 6016, 6392, 7520, 7990, 10880, 12032, 12784, 15040, 15980, 21760, 25568, 30080, 31960, 51136, 60160, 63920, 102272, 127840, 204544, 255680, 511360, 1022720]

約数ペア:

[(1, 1022720), (2, 511360), (4, 255680), (5, 204544), (8, 127840), (10, 102272), (16, 63920), (17, 60160), (20, 51136), (32, 31960), (34, 30080), (40, 25568), (47, 21760), (64, 15980), (68, 15040), (80, 12784), (85, 12032), (94, 10880), (128, 7990), (136, 7520), (160, 6392), (170, 6016), (188, 5440), (235, 4352), (256, 3995), (272, 3760), (320, 3196), (340, 3008), (376, 2720), (470, 2176), (544, 1880), (640, 1598), (680, 1504), (752, 1360), (799, 1280), (940, 1088)]