81522840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 256

約数和(自身を含む): 298552320

約数和(自身を除く): 217029480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 43, 56, 60, 61, 70, 74, 84, 86, 105, 111, 120, 122, 129, 140, 148, 168, 172, 183, 185, 210, 215, 222, 244, 258, 259, 280, 296, 301, 305, 344, 366, 370, 420, 427, 430, 444, 488, 516, 518, 555, 602, 610, 645, 732, 740, 777, 840, 854, 860, 888, 903, 915, 1032, 1036, 1110, 1204, 1220, 1281, 1290, 1295, 1464, 1480, 1505, 1554, 1591, 1708, 1720, 1806, 1830, 2072, 2135, 2220, 2257, 2408, 2440, 2562, 2580, 2590, 2623, 3010, 3108, 3182, 3416, 3612, 3660, 3885, 4270, 4440, 4514, 4515, 4773, 5124, 5160, 5180, 5246, 6020, 6216, 6364, 6405, 6771, 7224, 7320, 7770, 7869, 7955, 8540, 9028, 9030, 9546, 10248, 10360, 10492, 11137, 11285, 12040, 12728, 12810, 13115, 13542, 15540, 15738, 15799, 15910, 17080, 18056, 18060, 18361, 19092, 20984, 22274, 22570, 23865, 25620, 26230, 27084, 31080, 31476, 31598, 31820, 33411, 33855, 36120, 36722, 38184, 39345, 44548, 45140, 47397, 47730, 51240, 52460, 54168, 55083, 55685, 62952, 63196, 63640, 66822, 67710, 73444, 78690, 78995, 89096, 90280, 91805, 94794, 95460, 97051, 104920, 110166, 111370, 126392, 133644, 135420, 146888, 157380, 157990, 167055, 183610, 189588, 190920, 194102, 220332, 222740, 236985, 267288, 270840, 275415, 291153, 314760, 315980, 334110, 367220, 379176, 388204, 440664, 445480, 473970, 485255, 550830, 582306, 631960, 668220, 679357, 734440, 776408, 947940, 970510, 1101660, 1164612, 1336440, 1358714, 1455765, 1895880, 1941020, 2038071, 2203320, 2329224, 2717428, 2911530, 3396785, 3882040, 4076142, 5434856, 5823060, 6793570, 8152284, 10190355, 11646120, 13587140, 16304568, 20380710, 27174280, 40761420, 81522840]

約数ペア:

[(1, 81522840), (2, 40761420), (3, 27174280), (4, 20380710), (5, 16304568), (6, 13587140), (7, 11646120), (8, 10190355), (10, 8152284), (12, 6793570), (14, 5823060), (15, 5434856), (20, 4076142), (21, 3882040), (24, 3396785), (28, 2911530), (30, 2717428), (35, 2329224), (37, 2203320), (40, 2038071), (42, 1941020), (43, 1895880), (56, 1455765), (60, 1358714), (61, 1336440), (70, 1164612), (74, 1101660), (84, 970510), (86, 947940), (105, 776408), (111, 734440), (120, 679357), (122, 668220), (129, 631960), (140, 582306), (148, 550830), (168, 485255), (172, 473970), (183, 445480), (185, 440664), (210, 388204), (215, 379176), (222, 367220), (244, 334110), (258, 315980), (259, 314760), (280, 291153), (296, 275415), (301, 270840), (305, 267288), (344, 236985), (366, 222740), (370, 220332), (420, 194102), (427, 190920), (430, 189588), (444, 183610), (488, 167055), (516, 157990), (518, 157380), (555, 146888), (602, 135420), (610, 133644), (645, 126392), (732, 111370), (740, 110166), (777, 104920), (840, 97051), (854, 95460), (860, 94794), (888, 91805), (903, 90280), (915, 89096), (1032, 78995), (1036, 78690), (1110, 73444), (1204, 67710), (1220, 66822), (1281, 63640), (1290, 63196), (1295, 62952), (1464, 55685), (1480, 55083), (1505, 54168), (1554, 52460), (1591, 51240), (1708, 47730), (1720, 47397), (1806, 45140), (1830, 44548), (2072, 39345), (2135, 38184), (2220, 36722), (2257, 36120), (2408, 33855), (2440, 33411), (2562, 31820), (2580, 31598), (2590, 31476), (2623, 31080), (3010, 27084), (3108, 26230), (3182, 25620), (3416, 23865), (3612, 22570), (3660, 22274), (3885, 20984), (4270, 19092), (4440, 18361), (4514, 18060), (4515, 18056), (4773, 17080), (5124, 15910), (5160, 15799), (5180, 15738), (5246, 15540), (6020, 13542), (6216, 13115), (6364, 12810), (6405, 12728), (6771, 12040), (7224, 11285), (7320, 11137), (7770, 10492), (7869, 10360), (7955, 10248), (8540, 9546), (9028, 9030)]