165936640

素因数分解:

$2^9\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1223}}^1$

素因数の和:1299

約数の個数: 80

約数和(自身を含む): 405697248

約数和(自身を除く): 239760608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 512, 530, 640, 848, 1060, 1223, 1280, 1696, 2120, 2446, 2560, 3392, 4240, 4892, 6115, 6784, 8480, 9784, 12230, 13568, 16960, 19568, 24460, 27136, 33920, 39136, 48920, 64819, 67840, 78272, 97840, 129638, 135680, 156544, 195680, 259276, 313088, 324095, 391360, 518552, 626176, 648190, 782720, 1037104, 1296380, 1565440, 2074208, 2592760, 3130880, 4148416, 5185520, 8296832, 10371040, 16593664, 20742080, 33187328, 41484160, 82968320, 165936640]

約数ペア:

[(1, 165936640), (2, 82968320), (4, 41484160), (5, 33187328), (8, 20742080), (10, 16593664), (16, 10371040), (20, 8296832), (32, 5185520), (40, 4148416), (53, 3130880), (64, 2592760), (80, 2074208), (106, 1565440), (128, 1296380), (160, 1037104), (212, 782720), (256, 648190), (265, 626176), (320, 518552), (424, 391360), (512, 324095), (530, 313088), (640, 259276), (848, 195680), (1060, 156544), (1223, 135680), (1280, 129638), (1696, 97840), (2120, 78272), (2446, 67840), (2560, 64819), (3392, 48920), (4240, 39136), (4892, 33920), (6115, 27136), (6784, 24460), (8480, 19568), (9784, 16960), (12230, 13568)]