1439345920

素因数分解:

$2^8\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1303}}^1$

素因数の和:2187

約数の個数: 72

約数和(自身を含む): 3454327296

約数和(自身を除く): 2014981376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 863, 1280, 1303, 1726, 2606, 3452, 4315, 5212, 6515, 6904, 8630, 10424, 13030, 13808, 17260, 20848, 26060, 27616, 34520, 41696, 52120, 55232, 69040, 83392, 104240, 110464, 138080, 166784, 208480, 220928, 276160, 333568, 416960, 552320, 833920, 1104640, 1124489, 1667840, 2248978, 4497956, 5622445, 8995912, 11244890, 17991824, 22489780, 35983648, 44979560, 71967296, 89959120, 143934592, 179918240, 287869184, 359836480, 719672960, 1439345920]

約数ペア:

[(1, 1439345920), (2, 719672960), (4, 359836480), (5, 287869184), (8, 179918240), (10, 143934592), (16, 89959120), (20, 71967296), (32, 44979560), (40, 35983648), (64, 22489780), (80, 17991824), (128, 11244890), (160, 8995912), (256, 5622445), (320, 4497956), (640, 2248978), (863, 1667840), (1280, 1124489), (1303, 1104640), (1726, 833920), (2606, 552320), (3452, 416960), (4315, 333568), (5212, 276160), (6515, 220928), (6904, 208480), (8630, 166784), (10424, 138080), (13030, 110464), (13808, 104240), (17260, 83392), (20848, 69040), (26060, 55232), (27616, 52120), (34520, 41696)]