1253120

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 3311280

約数和(自身を除く): 2058160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 128, 160, 176, 178, 220, 256, 320, 352, 356, 440, 445, 640, 704, 712, 880, 890, 979, 1280, 1408, 1424, 1760, 1780, 1958, 2816, 2848, 3520, 3560, 3916, 4895, 5696, 7040, 7120, 7832, 9790, 11392, 14080, 14240, 15664, 19580, 22784, 28480, 31328, 39160, 56960, 62656, 78320, 113920, 125312, 156640, 250624, 313280, 626560, 1253120]

約数ペア:

[(1, 1253120), (2, 626560), (4, 313280), (5, 250624), (8, 156640), (10, 125312), (11, 113920), (16, 78320), (20, 62656), (22, 56960), (32, 39160), (40, 31328), (44, 28480), (55, 22784), (64, 19580), (80, 15664), (88, 14240), (89, 14080), (110, 11392), (128, 9790), (160, 7832), (176, 7120), (178, 7040), (220, 5696), (256, 4895), (320, 3916), (352, 3560), (356, 3520), (440, 2848), (445, 2816), (640, 1958), (704, 1780), (712, 1760), (880, 1424), (890, 1408), (979, 1280)]