28727040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{7481}}^1$

素因数の和:7505

約数の個数: 72

約数和(自身を含む): 91759248

約数和(自身を除く): 63032208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 7481, 14962, 22443, 29924, 37405, 44886, 59848, 74810, 89772, 112215, 119696, 149620, 179544, 224430, 239392, 299240, 359088, 448860, 478784, 598480, 718176, 897720, 957568, 1196960, 1436352, 1795440, 1915136, 2393920, 2872704, 3590880, 4787840, 5745408, 7181760, 9575680, 14363520, 28727040]

約数ペア:

[(1, 28727040), (2, 14363520), (3, 9575680), (4, 7181760), (5, 5745408), (6, 4787840), (8, 3590880), (10, 2872704), (12, 2393920), (15, 1915136), (16, 1795440), (20, 1436352), (24, 1196960), (30, 957568), (32, 897720), (40, 718176), (48, 598480), (60, 478784), (64, 448860), (80, 359088), (96, 299240), (120, 239392), (128, 224430), (160, 179544), (192, 149620), (240, 119696), (256, 112215), (320, 89772), (384, 74810), (480, 59848), (640, 44886), (768, 37405), (960, 29924), (1280, 22443), (1920, 14962), (3840, 7481)]