64483920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89561}}^1$

素因数の和:89580

約数の個数: 60

約数和(自身を含む): 216560916

約数和(自身を除く): 152076996

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 89561, 179122, 268683, 358244, 447805, 537366, 716488, 806049, 895610, 1074732, 1343415, 1432976, 1612098, 1791220, 2149464, 2686830, 3224196, 3582440, 4030245, 4298928, 5373660, 6448392, 7164880, 8060490, 10747320, 12896784, 16120980, 21494640, 32241960, 64483920]

約数ペア:

[(1, 64483920), (2, 32241960), (3, 21494640), (4, 16120980), (5, 12896784), (6, 10747320), (8, 8060490), (9, 7164880), (10, 6448392), (12, 5373660), (15, 4298928), (16, 4030245), (18, 3582440), (20, 3224196), (24, 2686830), (30, 2149464), (36, 1791220), (40, 1612098), (45, 1432976), (48, 1343415), (60, 1074732), (72, 895610), (80, 806049), (90, 716488), (120, 537366), (144, 447805), (180, 358244), (240, 268683), (360, 179122), (720, 89561)]