253665280

素因数分解:

$2^{13}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1$

素因数の和:605

約数の個数: 112

約数和(自身を含む): 665280864

約数和(自身を除く): 411615584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 563, 640, 704, 880, 1024, 1126, 1280, 1408, 1760, 2048, 2252, 2560, 2815, 2816, 3520, 4096, 4504, 5120, 5630, 5632, 6193, 7040, 8192, 9008, 10240, 11260, 11264, 12386, 14080, 18016, 20480, 22520, 22528, 24772, 28160, 30965, 36032, 40960, 45040, 45056, 49544, 56320, 61930, 72064, 90080, 90112, 99088, 112640, 123860, 144128, 180160, 198176, 225280, 247720, 288256, 360320, 396352, 450560, 495440, 576512, 720640, 792704, 990880, 1153024, 1441280, 1585408, 1981760, 2306048, 2882560, 3170816, 3963520, 4612096, 5765120, 6341632, 7927040, 11530240, 12683264, 15854080, 23060480, 25366528, 31708160, 50733056, 63416320, 126832640, 253665280]

約数ペア:

[(1, 253665280), (2, 126832640), (4, 63416320), (5, 50733056), (8, 31708160), (10, 25366528), (11, 23060480), (16, 15854080), (20, 12683264), (22, 11530240), (32, 7927040), (40, 6341632), (44, 5765120), (55, 4612096), (64, 3963520), (80, 3170816), (88, 2882560), (110, 2306048), (128, 1981760), (160, 1585408), (176, 1441280), (220, 1153024), (256, 990880), (320, 792704), (352, 720640), (440, 576512), (512, 495440), (563, 450560), (640, 396352), (704, 360320), (880, 288256), (1024, 247720), (1126, 225280), (1280, 198176), (1408, 180160), (1760, 144128), (2048, 123860), (2252, 112640), (2560, 99088), (2815, 90112), (2816, 90080), (3520, 72064), (4096, 61930), (4504, 56320), (5120, 49544), (5630, 45056), (5632, 45040), (6193, 40960), (7040, 36032), (8192, 30965), (9008, 28160), (10240, 24772), (11260, 22528), (11264, 22520), (12386, 20480), (14080, 18016)]