164178840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{811}}^1$

素因数の和:1073

約数の個数: 128

約数和(自身を含む): 565931520

約数和(自身を除く): 401752680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 241, 280, 420, 482, 723, 811, 840, 964, 1205, 1446, 1622, 1687, 1928, 2410, 2433, 2892, 3244, 3374, 3615, 4055, 4820, 4866, 5061, 5677, 5784, 6488, 6748, 7230, 8110, 8435, 9640, 9732, 10122, 11354, 12165, 13496, 14460, 16220, 16870, 17031, 19464, 20244, 22708, 24330, 25305, 28385, 28920, 32440, 33740, 34062, 40488, 45416, 48660, 50610, 56770, 67480, 68124, 85155, 97320, 101220, 113540, 136248, 170310, 195451, 202440, 227080, 340620, 390902, 586353, 681240, 781804, 977255, 1172706, 1368157, 1563608, 1954510, 2345412, 2736314, 2931765, 3909020, 4104471, 4690824, 5472628, 5863530, 6840785, 7818040, 8208942, 10945256, 11727060, 13681570, 16417884, 20522355, 23454120, 27363140, 32835768, 41044710, 54726280, 82089420, 164178840]

約数ペア:

[(1, 164178840), (2, 82089420), (3, 54726280), (4, 41044710), (5, 32835768), (6, 27363140), (7, 23454120), (8, 20522355), (10, 16417884), (12, 13681570), (14, 11727060), (15, 10945256), (20, 8208942), (21, 7818040), (24, 6840785), (28, 5863530), (30, 5472628), (35, 4690824), (40, 4104471), (42, 3909020), (56, 2931765), (60, 2736314), (70, 2345412), (84, 1954510), (105, 1563608), (120, 1368157), (140, 1172706), (168, 977255), (210, 781804), (241, 681240), (280, 586353), (420, 390902), (482, 340620), (723, 227080), (811, 202440), (840, 195451), (964, 170310), (1205, 136248), (1446, 113540), (1622, 101220), (1687, 97320), (1928, 85155), (2410, 68124), (2433, 67480), (2892, 56770), (3244, 50610), (3374, 48660), (3615, 45416), (4055, 40488), (4820, 34062), (4866, 33740), (5061, 32440), (5677, 28920), (5784, 28385), (6488, 25305), (6748, 24330), (7230, 22708), (8110, 20244), (8435, 19464), (9640, 17031), (9732, 16870), (10122, 16220), (11354, 14460), (12165, 13496)]