72622720

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2141}}^1$

素因数の和:2213

約数の個数: 64

約数和(自身を含む): 176972040

約数和(自身を除く): 104349320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 2141, 3392, 4240, 4282, 6784, 8480, 8564, 10705, 16960, 17128, 21410, 33920, 34256, 42820, 68512, 85640, 113473, 137024, 171280, 226946, 274048, 342560, 453892, 567365, 685120, 907784, 1134730, 1370240, 1815568, 2269460, 3631136, 4538920, 7262272, 9077840, 14524544, 18155680, 36311360, 72622720]

約数ペア:

[(1, 72622720), (2, 36311360), (4, 18155680), (5, 14524544), (8, 9077840), (10, 7262272), (16, 4538920), (20, 3631136), (32, 2269460), (40, 1815568), (53, 1370240), (64, 1134730), (80, 907784), (106, 685120), (128, 567365), (160, 453892), (212, 342560), (265, 274048), (320, 226946), (424, 171280), (530, 137024), (640, 113473), (848, 85640), (1060, 68512), (1696, 42820), (2120, 34256), (2141, 33920), (3392, 21410), (4240, 17128), (4282, 16960), (6784, 10705), (8480, 8564)]