121951360

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2141}}^1$

素因数の和:2249

約数の個数: 64

約数和(自身を含む): 294953400

約数和(自身を除く): 173002040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1424, 1780, 2141, 2848, 3560, 4282, 5696, 7120, 8564, 10705, 11392, 14240, 17128, 21410, 28480, 34256, 42820, 56960, 68512, 85640, 137024, 171280, 190549, 274048, 342560, 381098, 685120, 762196, 952745, 1370240, 1524392, 1905490, 3048784, 3810980, 6097568, 7621960, 12195136, 15243920, 24390272, 30487840, 60975680, 121951360]

約数ペア:

[(1, 121951360), (2, 60975680), (4, 30487840), (5, 24390272), (8, 15243920), (10, 12195136), (16, 7621960), (20, 6097568), (32, 3810980), (40, 3048784), (64, 1905490), (80, 1524392), (89, 1370240), (128, 952745), (160, 762196), (178, 685120), (320, 381098), (356, 342560), (445, 274048), (640, 190549), (712, 171280), (890, 137024), (1424, 85640), (1780, 68512), (2141, 56960), (2848, 42820), (3560, 34256), (4282, 28480), (5696, 21410), (7120, 17128), (8564, 14240), (10705, 11392)]