2478080

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^2$

素因数の和:51

約数の個数: 78

約数和(自身を含む): 6536418

約数和(自身を除く): 4058338

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 440, 484, 512, 605, 640, 704, 880, 968, 1024, 1210, 1280, 1408, 1760, 1936, 2048, 2420, 2560, 2816, 3520, 3872, 4096, 4840, 5120, 5632, 7040, 7744, 9680, 10240, 11264, 14080, 15488, 19360, 20480, 22528, 28160, 30976, 38720, 45056, 56320, 61952, 77440, 112640, 123904, 154880, 225280, 247808, 309760, 495616, 619520, 1239040, 2478080]

約数ペア:

[(1, 2478080), (2, 1239040), (4, 619520), (5, 495616), (8, 309760), (10, 247808), (11, 225280), (16, 154880), (20, 123904), (22, 112640), (32, 77440), (40, 61952), (44, 56320), (55, 45056), (64, 38720), (80, 30976), (88, 28160), (110, 22528), (121, 20480), (128, 19360), (160, 15488), (176, 14080), (220, 11264), (242, 10240), (256, 9680), (320, 7744), (352, 7040), (440, 5632), (484, 5120), (512, 4840), (605, 4096), (640, 3872), (704, 3520), (880, 2816), (968, 2560), (1024, 2420), (1210, 2048), (1280, 1936), (1408, 1760)]