64471860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1427}}^1$

素因数の和:1693

約数の個数: 72

約数和(自身を含む): 196481376

約数和(自身を除く): 132009516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1427, 1506, 2259, 2510, 2854, 3012, 3765, 4281, 4518, 5020, 5708, 7135, 7530, 8562, 9036, 11295, 12843, 14270, 15060, 17124, 21405, 22590, 25686, 28540, 42810, 45180, 51372, 64215, 85620, 128430, 256860, 358177, 716354, 1074531, 1432708, 1790885, 2149062, 3223593, 3581770, 4298124, 5372655, 6447186, 7163540, 10745310, 12894372, 16117965, 21490620, 32235930, 64471860]

約数ペア:

[(1, 64471860), (2, 32235930), (3, 21490620), (4, 16117965), (5, 12894372), (6, 10745310), (9, 7163540), (10, 6447186), (12, 5372655), (15, 4298124), (18, 3581770), (20, 3223593), (30, 2149062), (36, 1790885), (45, 1432708), (60, 1074531), (90, 716354), (180, 358177), (251, 256860), (502, 128430), (753, 85620), (1004, 64215), (1255, 51372), (1427, 45180), (1506, 42810), (2259, 28540), (2510, 25686), (2854, 22590), (3012, 21405), (3765, 17124), (4281, 15060), (4518, 14270), (5020, 12843), (5708, 11295), (7135, 9036), (7530, 8562)]