664894720

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{10601}}^1$

素因数の和:10636

約数の個数: 108

約数和(自身を含む): 1852826724

約数和(自身を除く): 1187932004

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 8960, 10601, 12544, 15680, 21202, 31360, 42404, 53005, 62720, 74207, 84808, 106010, 148414, 169616, 212020, 296828, 339232, 371035, 424040, 519449, 593656, 678464, 742070, 848080, 1038898, 1187312, 1356928, 1484140, 1696160, 2077796, 2374624, 2597245, 2713856, 2968280, 3392320, 4155592, 4749248, 5194490, 5936560, 6784640, 8311184, 9498496, 10388980, 11873120, 13569280, 16622368, 18996992, 20777960, 23746240, 33244736, 41555920, 47492480, 66489472, 83111840, 94984960, 132978944, 166223680, 332447360, 664894720]

約数ペア:

[(1, 664894720), (2, 332447360), (4, 166223680), (5, 132978944), (7, 94984960), (8, 83111840), (10, 66489472), (14, 47492480), (16, 41555920), (20, 33244736), (28, 23746240), (32, 20777960), (35, 18996992), (40, 16622368), (49, 13569280), (56, 11873120), (64, 10388980), (70, 9498496), (80, 8311184), (98, 6784640), (112, 5936560), (128, 5194490), (140, 4749248), (160, 4155592), (196, 3392320), (224, 2968280), (245, 2713856), (256, 2597245), (280, 2374624), (320, 2077796), (392, 1696160), (448, 1484140), (490, 1356928), (560, 1187312), (640, 1038898), (784, 848080), (896, 742070), (980, 678464), (1120, 593656), (1280, 519449), (1568, 424040), (1792, 371035), (1960, 339232), (2240, 296828), (3136, 212020), (3920, 169616), (4480, 148414), (6272, 106010), (7840, 84808), (8960, 74207), (10601, 62720), (12544, 53005), (15680, 42404), (21202, 31360)]