66874880

素因数分解:

$2^9\times 5^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:347

約数の個数: 80

約数和(自身を含む): 162337824

約数和(自身を除く): 95462944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 173, 256, 302, 320, 346, 512, 604, 640, 692, 755, 865, 1208, 1280, 1384, 1510, 1730, 2416, 2560, 2768, 3020, 3460, 4832, 5536, 6040, 6920, 9664, 11072, 12080, 13840, 19328, 22144, 24160, 26123, 27680, 38656, 44288, 48320, 52246, 55360, 77312, 88576, 96640, 104492, 110720, 130615, 193280, 208984, 221440, 261230, 386560, 417968, 442880, 522460, 835936, 1044920, 1671872, 2089840, 3343744, 4179680, 6687488, 8359360, 13374976, 16718720, 33437440, 66874880]

約数ペア:

[(1, 66874880), (2, 33437440), (4, 16718720), (5, 13374976), (8, 8359360), (10, 6687488), (16, 4179680), (20, 3343744), (32, 2089840), (40, 1671872), (64, 1044920), (80, 835936), (128, 522460), (151, 442880), (160, 417968), (173, 386560), (256, 261230), (302, 221440), (320, 208984), (346, 193280), (512, 130615), (604, 110720), (640, 104492), (692, 96640), (755, 88576), (865, 77312), (1208, 55360), (1280, 52246), (1384, 48320), (1510, 44288), (1730, 38656), (2416, 27680), (2560, 26123), (2768, 24160), (3020, 22144), (3460, 19328), (4832, 13840), (5536, 12080), (6040, 11072), (6920, 9664)]