18071760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:401

約数の個数: 160

約数和(自身を含む): 66281472

約数和(自身を除く): 48209712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 347, 372, 420, 434, 465, 496, 560, 620, 651, 694, 744, 840, 868, 930, 1041, 1085, 1240, 1302, 1388, 1488, 1680, 1735, 1736, 1860, 2082, 2170, 2429, 2480, 2604, 2776, 3255, 3470, 3472, 3720, 4164, 4340, 4858, 5205, 5208, 5552, 6510, 6940, 7287, 7440, 8328, 8680, 9716, 10410, 10416, 10757, 12145, 13020, 13880, 14574, 16656, 17360, 19432, 20820, 21514, 24290, 26040, 27760, 29148, 32271, 36435, 38864, 41640, 43028, 48580, 52080, 53785, 58296, 64542, 72870, 75299, 83280, 86056, 97160, 107570, 116592, 129084, 145740, 150598, 161355, 172112, 194320, 215140, 225897, 258168, 291480, 301196, 322710, 376495, 430280, 451794, 516336, 582960, 602392, 645420, 752990, 860560, 903588, 1129485, 1204784, 1290840, 1505980, 1807176, 2258970, 2581680, 3011960, 3614352, 4517940, 6023920, 9035880, 18071760]

約数ペア:

[(1, 18071760), (2, 9035880), (3, 6023920), (4, 4517940), (5, 3614352), (6, 3011960), (7, 2581680), (8, 2258970), (10, 1807176), (12, 1505980), (14, 1290840), (15, 1204784), (16, 1129485), (20, 903588), (21, 860560), (24, 752990), (28, 645420), (30, 602392), (31, 582960), (35, 516336), (40, 451794), (42, 430280), (48, 376495), (56, 322710), (60, 301196), (62, 291480), (70, 258168), (80, 225897), (84, 215140), (93, 194320), (105, 172112), (112, 161355), (120, 150598), (124, 145740), (140, 129084), (155, 116592), (168, 107570), (186, 97160), (210, 86056), (217, 83280), (240, 75299), (248, 72870), (280, 64542), (310, 58296), (336, 53785), (347, 52080), (372, 48580), (420, 43028), (434, 41640), (465, 38864), (496, 36435), (560, 32271), (620, 29148), (651, 27760), (694, 26040), (744, 24290), (840, 21514), (868, 20820), (930, 19432), (1041, 17360), (1085, 16656), (1240, 14574), (1302, 13880), (1388, 13020), (1488, 12145), (1680, 10757), (1735, 10416), (1736, 10410), (1860, 9716), (2082, 8680), (2170, 8328), (2429, 7440), (2480, 7287), (2604, 6940), (2776, 6510), (3255, 5552), (3470, 5208), (3472, 5205), (3720, 4858), (4164, 4340)]