664676540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7727}}^1$

素因数の和:7787

約数の個数: 96

約数和(自身を含む): 1682601984

約数和(自身を除く): 1017925444

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 55, 68, 85, 92, 110, 115, 170, 187, 220, 230, 253, 340, 374, 391, 460, 506, 748, 782, 935, 1012, 1265, 1564, 1870, 1955, 2530, 3740, 3910, 4301, 5060, 7727, 7820, 8602, 15454, 17204, 21505, 30908, 38635, 43010, 77270, 84997, 86020, 131359, 154540, 169994, 177721, 262718, 339988, 355442, 424985, 525436, 656795, 710884, 849970, 888605, 1313590, 1444949, 1699940, 1777210, 1954931, 2627180, 2889898, 3021257, 3554420, 3909862, 5779796, 6042514, 7224745, 7819724, 9774655, 12085028, 14449490, 15106285, 19549310, 28898980, 30212570, 33233827, 39098620, 60425140, 66467654, 132935308, 166169135, 332338270, 664676540]

約数ペア:

[(1, 664676540), (2, 332338270), (4, 166169135), (5, 132935308), (10, 66467654), (11, 60425140), (17, 39098620), (20, 33233827), (22, 30212570), (23, 28898980), (34, 19549310), (44, 15106285), (46, 14449490), (55, 12085028), (68, 9774655), (85, 7819724), (92, 7224745), (110, 6042514), (115, 5779796), (170, 3909862), (187, 3554420), (220, 3021257), (230, 2889898), (253, 2627180), (340, 1954931), (374, 1777210), (391, 1699940), (460, 1444949), (506, 1313590), (748, 888605), (782, 849970), (935, 710884), (1012, 656795), (1265, 525436), (1564, 424985), (1870, 355442), (1955, 339988), (2530, 262718), (3740, 177721), (3910, 169994), (4301, 154540), (5060, 131359), (7727, 86020), (7820, 84997), (8602, 77270), (15454, 43010), (17204, 38635), (21505, 30908)]