84471640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:553

約数の個数: 128

約数和(自身を含む): 229547520

約数和(自身を除く): 145075880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 23, 34, 40, 44, 46, 55, 68, 85, 88, 92, 110, 115, 136, 170, 184, 187, 220, 230, 253, 340, 374, 391, 440, 460, 491, 506, 680, 748, 782, 920, 935, 982, 1012, 1265, 1496, 1564, 1870, 1955, 1964, 2024, 2455, 2530, 3128, 3740, 3910, 3928, 4301, 4910, 5060, 5401, 7480, 7820, 8347, 8602, 9820, 10120, 10802, 11293, 15640, 16694, 17204, 19640, 21505, 21604, 22586, 27005, 33388, 34408, 41735, 43010, 43208, 45172, 54010, 56465, 66776, 83470, 86020, 90344, 91817, 108020, 112930, 124223, 166940, 172040, 183634, 191981, 216040, 225860, 248446, 333880, 367268, 383962, 451720, 459085, 496892, 621115, 734536, 767924, 918170, 959905, 993784, 1242230, 1535848, 1836340, 1919810, 2111791, 2484460, 3672680, 3839620, 4223582, 4968920, 7679240, 8447164, 10558955, 16894328, 21117910, 42235820, 84471640]

約数ペア:

[(1, 84471640), (2, 42235820), (4, 21117910), (5, 16894328), (8, 10558955), (10, 8447164), (11, 7679240), (17, 4968920), (20, 4223582), (22, 3839620), (23, 3672680), (34, 2484460), (40, 2111791), (44, 1919810), (46, 1836340), (55, 1535848), (68, 1242230), (85, 993784), (88, 959905), (92, 918170), (110, 767924), (115, 734536), (136, 621115), (170, 496892), (184, 459085), (187, 451720), (220, 383962), (230, 367268), (253, 333880), (340, 248446), (374, 225860), (391, 216040), (440, 191981), (460, 183634), (491, 172040), (506, 166940), (680, 124223), (748, 112930), (782, 108020), (920, 91817), (935, 90344), (982, 86020), (1012, 83470), (1265, 66776), (1496, 56465), (1564, 54010), (1870, 45172), (1955, 43208), (1964, 43010), (2024, 41735), (2455, 34408), (2530, 33388), (3128, 27005), (3740, 22586), (3910, 21604), (3928, 21505), (4301, 19640), (4910, 17204), (5060, 16694), (5401, 15640), (7480, 11293), (7820, 10802), (8347, 10120), (8602, 9820)]