21978240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11447}}^1$

素因数の和:11469

約数の個数: 64

約数和(自身を含む): 70061760

約数和(自身を除く): 48083520

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, 320, 384, 480, 640, 960, 1920, 11447, 22894, 34341, 45788, 57235, 68682, 91576, 114470, 137364, 171705, 183152, 228940, 274728, 343410, 366304, 457880, 549456, 686820, 732608, 915760, 1098912, 1373640, 1465216, 1831520, 2197824, 2747280, 3663040, 4395648, 5494560, 7326080, 10989120, 21978240]

約数ペア:

[(1, 21978240), (2, 10989120), (3, 7326080), (4, 5494560), (5, 4395648), (6, 3663040), (8, 2747280), (10, 2197824), (12, 1831520), (15, 1465216), (16, 1373640), (20, 1098912), (24, 915760), (30, 732608), (32, 686820), (40, 549456), (48, 457880), (60, 366304), (64, 343410), (80, 274728), (96, 228940), (120, 183152), (128, 171705), (160, 137364), (192, 114470), (240, 91576), (320, 68682), (384, 57235), (480, 45788), (640, 34341), (960, 22894), (1920, 11447)]