64485540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:922

約数の個数: 144

約数和(自身を含む): 227485440

約数和(自身を除く): 162999900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 839, 854, 915, 1098, 1220, 1260, 1281, 1678, 1708, 1830, 2135, 2196, 2517, 2562, 2745, 3356, 3660, 3843, 4195, 4270, 5034, 5124, 5490, 5873, 6405, 7551, 7686, 8390, 8540, 10068, 10980, 11746, 12585, 12810, 15102, 15372, 16780, 17619, 19215, 23492, 25170, 25620, 29365, 30204, 35238, 37755, 38430, 50340, 51179, 52857, 58730, 70476, 75510, 76860, 88095, 102358, 105714, 117460, 151020, 153537, 176190, 204716, 211428, 255895, 264285, 307074, 352380, 358253, 460611, 511790, 528570, 614148, 716506, 767685, 921222, 1023580, 1057140, 1074759, 1433012, 1535370, 1791265, 1842444, 2149518, 2303055, 3070740, 3224277, 3582530, 4299036, 4606110, 5373795, 6448554, 7165060, 9212220, 10747590, 12897108, 16121385, 21495180, 32242770, 64485540]

約数ペア:

[(1, 64485540), (2, 32242770), (3, 21495180), (4, 16121385), (5, 12897108), (6, 10747590), (7, 9212220), (9, 7165060), (10, 6448554), (12, 5373795), (14, 4606110), (15, 4299036), (18, 3582530), (20, 3224277), (21, 3070740), (28, 2303055), (30, 2149518), (35, 1842444), (36, 1791265), (42, 1535370), (45, 1433012), (60, 1074759), (61, 1057140), (63, 1023580), (70, 921222), (84, 767685), (90, 716506), (105, 614148), (122, 528570), (126, 511790), (140, 460611), (180, 358253), (183, 352380), (210, 307074), (244, 264285), (252, 255895), (305, 211428), (315, 204716), (366, 176190), (420, 153537), (427, 151020), (549, 117460), (610, 105714), (630, 102358), (732, 88095), (839, 76860), (854, 75510), (915, 70476), (1098, 58730), (1220, 52857), (1260, 51179), (1281, 50340), (1678, 38430), (1708, 37755), (1830, 35238), (2135, 30204), (2196, 29365), (2517, 25620), (2562, 25170), (2745, 23492), (3356, 19215), (3660, 17619), (3843, 16780), (4195, 15372), (4270, 15102), (5034, 12810), (5124, 12585), (5490, 11746), (5873, 10980), (6405, 10068), (7551, 8540), (7686, 8390)]