861407640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{7229}}^1$

素因数の和:7577

約数の個数: 96

約数和(自身を含む): 2808421200

約数和(自身を除く): 1947013560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 331, 360, 662, 993, 1324, 1655, 1986, 2648, 2979, 3310, 3972, 4965, 5958, 6620, 7229, 7944, 9930, 11916, 13240, 14458, 14895, 19860, 21687, 23832, 28916, 29790, 36145, 39720, 43374, 57832, 59580, 65061, 72290, 86748, 108435, 119160, 130122, 144580, 173496, 216870, 260244, 289160, 325305, 433740, 520488, 650610, 867480, 1301220, 2392799, 2602440, 4785598, 7178397, 9571196, 11963995, 14356794, 19142392, 21535191, 23927990, 28713588, 35891985, 43070382, 47855980, 57427176, 71783970, 86140764, 95711960, 107675955, 143567940, 172281528, 215351910, 287135880, 430703820, 861407640]

約数ペア:

[(1, 861407640), (2, 430703820), (3, 287135880), (4, 215351910), (5, 172281528), (6, 143567940), (8, 107675955), (9, 95711960), (10, 86140764), (12, 71783970), (15, 57427176), (18, 47855980), (20, 43070382), (24, 35891985), (30, 28713588), (36, 23927990), (40, 21535191), (45, 19142392), (60, 14356794), (72, 11963995), (90, 9571196), (120, 7178397), (180, 4785598), (331, 2602440), (360, 2392799), (662, 1301220), (993, 867480), (1324, 650610), (1655, 520488), (1986, 433740), (2648, 325305), (2979, 289160), (3310, 260244), (3972, 216870), (4965, 173496), (5958, 144580), (6620, 130122), (7229, 119160), (7944, 108435), (9930, 86748), (11916, 72290), (13240, 65061), (14458, 59580), (14895, 57832), (19860, 43374), (21687, 39720), (23832, 36145), (28916, 29790)]