642643488

素因数分解:

$2^5\times 3^2\times {\mathrm{1123}}^1\times {\mathrm{1987}}^1$

素因数の和:3126

約数の個数: 72

約数和(自身を含む): 1830065328

約数和(自身を除く): 1187421840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 1123, 1987, 2246, 3369, 3974, 4492, 5961, 6738, 7948, 8984, 10107, 11922, 13476, 15896, 17883, 17968, 20214, 23844, 26952, 31792, 35766, 35936, 40428, 47688, 53904, 63584, 71532, 80856, 95376, 107808, 143064, 161712, 190752, 286128, 323424, 572256, 2231401, 4462802, 6694203, 8925604, 13388406, 17851208, 20082609, 26776812, 35702416, 40165218, 53553624, 71404832, 80330436, 107107248, 160660872, 214214496, 321321744, 642643488]

約数ペア:

[(1, 642643488), (2, 321321744), (3, 214214496), (4, 160660872), (6, 107107248), (8, 80330436), (9, 71404832), (12, 53553624), (16, 40165218), (18, 35702416), (24, 26776812), (32, 20082609), (36, 17851208), (48, 13388406), (72, 8925604), (96, 6694203), (144, 4462802), (288, 2231401), (1123, 572256), (1987, 323424), (2246, 286128), (3369, 190752), (3974, 161712), (4492, 143064), (5961, 107808), (6738, 95376), (7948, 80856), (8984, 71532), (10107, 63584), (11922, 53904), (13476, 47688), (15896, 40428), (17883, 35936), (17968, 35766), (20214, 31792), (23844, 26952)]