1239040

素因数分解:

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

素因数の和:49

約数の個数: 72

約数和(自身を含む): 3267810

約数和(自身を除く): 2028770

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, 4840, 5120, 5632, 7040, 7744, 9680, 10240, 11264, 14080, 15488, 19360, 22528, 28160, 30976, 38720, 56320, 61952, 77440, 112640, 123904, 154880, 247808, 309760, 619520, 1239040]

約数ペア:

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