218901480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{751}}^1$

素因数の和:1119

約数の個数: 128

約数和(自身を含む): 753684480

約数和(自身を除く): 534783000

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, 280, 347, 420, 694, 751, 840, 1041, 1388, 1502, 1735, 2082, 2253, 2429, 2776, 3004, 3470, 3755, 4164, 4506, 4858, 5205, 5257, 6008, 6940, 7287, 7510, 8328, 9012, 9716, 10410, 10514, 11265, 12145, 13880, 14574, 15020, 15771, 18024, 19432, 20820, 21028, 22530, 24290, 26285, 29148, 30040, 31542, 36435, 41640, 42056, 45060, 48580, 52570, 58296, 63084, 72870, 78855, 90120, 97160, 105140, 126168, 145740, 157710, 210280, 260597, 291480, 315420, 521194, 630840, 781791, 1042388, 1302985, 1563582, 1824179, 2084776, 2605970, 3127164, 3648358, 3908955, 5211940, 5472537, 6254328, 7296716, 7817910, 9120895, 10423880, 10945074, 14593432, 15635820, 18241790, 21890148, 27362685, 31271640, 36483580, 43780296, 54725370, 72967160, 109450740, 218901480]

約数ペア:

[(1, 218901480), (2, 109450740), (3, 72967160), (4, 54725370), (5, 43780296), (6, 36483580), (7, 31271640), (8, 27362685), (10, 21890148), (12, 18241790), (14, 15635820), (15, 14593432), (20, 10945074), (21, 10423880), (24, 9120895), (28, 7817910), (30, 7296716), (35, 6254328), (40, 5472537), (42, 5211940), (56, 3908955), (60, 3648358), (70, 3127164), (84, 2605970), (105, 2084776), (120, 1824179), (140, 1563582), (168, 1302985), (210, 1042388), (280, 781791), (347, 630840), (420, 521194), (694, 315420), (751, 291480), (840, 260597), (1041, 210280), (1388, 157710), (1502, 145740), (1735, 126168), (2082, 105140), (2253, 97160), (2429, 90120), (2776, 78855), (3004, 72870), (3470, 63084), (3755, 58296), (4164, 52570), (4506, 48580), (4858, 45060), (5205, 42056), (5257, 41640), (6008, 36435), (6940, 31542), (7287, 30040), (7510, 29148), (8328, 26285), (9012, 24290), (9716, 22530), (10410, 21028), (10514, 20820), (11265, 19432), (12145, 18024), (13880, 15771), (14574, 15020)]