77861820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 226017792

約数和(自身を除く): 148155972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 103, 129, 172, 206, 215, 258, 293, 309, 412, 430, 515, 516, 586, 618, 645, 860, 879, 1030, 1172, 1236, 1290, 1465, 1545, 1758, 2060, 2580, 2930, 3090, 3516, 4395, 4429, 5860, 6180, 8790, 8858, 12599, 13287, 17580, 17716, 22145, 25198, 26574, 30179, 37797, 44290, 50396, 53148, 60358, 62995, 66435, 75594, 88580, 90537, 120716, 125990, 132870, 150895, 151188, 181074, 188985, 251980, 265740, 301790, 362148, 377970, 452685, 603580, 755940, 905370, 1297697, 1810740, 2595394, 3893091, 5190788, 6488485, 7786182, 12976970, 15572364, 19465455, 25953940, 38930910, 77861820]

約数ペア:

[(1, 77861820), (2, 38930910), (3, 25953940), (4, 19465455), (5, 15572364), (6, 12976970), (10, 7786182), (12, 6488485), (15, 5190788), (20, 3893091), (30, 2595394), (43, 1810740), (60, 1297697), (86, 905370), (103, 755940), (129, 603580), (172, 452685), (206, 377970), (215, 362148), (258, 301790), (293, 265740), (309, 251980), (412, 188985), (430, 181074), (515, 151188), (516, 150895), (586, 132870), (618, 125990), (645, 120716), (860, 90537), (879, 88580), (1030, 75594), (1172, 66435), (1236, 62995), (1290, 60358), (1465, 53148), (1545, 50396), (1758, 44290), (2060, 37797), (2580, 30179), (2930, 26574), (3090, 25198), (3516, 22145), (4395, 17716), (4429, 17580), (5860, 13287), (6180, 12599), (8790, 8858)]