200802560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 559042176

約数和(自身を除く): 358239616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 256, 280, 292, 307, 320, 365, 448, 511, 560, 584, 614, 640, 730, 896, 1022, 1120, 1168, 1228, 1280, 1460, 1535, 1792, 2044, 2149, 2240, 2336, 2456, 2555, 2920, 3070, 4088, 4298, 4480, 4672, 4912, 5110, 5840, 6140, 8176, 8596, 8960, 9344, 9824, 10220, 10745, 11680, 12280, 16352, 17192, 18688, 19648, 20440, 21490, 22411, 23360, 24560, 32704, 34384, 39296, 40880, 42980, 44822, 46720, 49120, 65408, 68768, 78592, 81760, 85960, 89644, 93440, 98240, 112055, 130816, 137536, 156877, 163520, 171920, 179288, 196480, 224110, 275072, 313754, 327040, 343840, 358576, 392960, 448220, 550144, 627508, 654080, 687680, 717152, 784385, 896440, 1255016, 1375360, 1434304, 1568770, 1792880, 2510032, 2750720, 2868608, 3137540, 3585760, 5020064, 5737216, 6275080, 7171520, 10040128, 12550160, 14343040, 20080256, 25100320, 28686080, 40160512, 50200640, 100401280, 200802560]

約数ペア:

[(1, 200802560), (2, 100401280), (4, 50200640), (5, 40160512), (7, 28686080), (8, 25100320), (10, 20080256), (14, 14343040), (16, 12550160), (20, 10040128), (28, 7171520), (32, 6275080), (35, 5737216), (40, 5020064), (56, 3585760), (64, 3137540), (70, 2868608), (73, 2750720), (80, 2510032), (112, 1792880), (128, 1568770), (140, 1434304), (146, 1375360), (160, 1255016), (224, 896440), (256, 784385), (280, 717152), (292, 687680), (307, 654080), (320, 627508), (365, 550144), (448, 448220), (511, 392960), (560, 358576), (584, 343840), (614, 327040), (640, 313754), (730, 275072), (896, 224110), (1022, 196480), (1120, 179288), (1168, 171920), (1228, 163520), (1280, 156877), (1460, 137536), (1535, 130816), (1792, 112055), (2044, 98240), (2149, 93440), (2240, 89644), (2336, 85960), (2456, 81760), (2555, 78592), (2920, 68768), (3070, 65408), (4088, 49120), (4298, 46720), (4480, 44822), (4672, 42980), (4912, 40880), (5110, 39296), (5840, 34384), (6140, 32704), (8176, 24560), (8596, 23360), (8960, 22411), (9344, 21490), (9824, 20440), (10220, 19648), (10745, 18688), (11680, 17192), (12280, 16352)]