320747616

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:821

約数の個数: 144

約数和(自身を含む): 1047664800

約数和(自身を除く): 726917184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 389, 409, 504, 672, 778, 818, 1008, 1167, 1227, 1556, 1636, 2016, 2334, 2454, 2723, 2863, 3112, 3272, 3501, 3681, 4668, 4908, 5446, 5726, 6224, 6544, 7002, 7362, 8169, 8589, 9336, 9816, 10892, 11452, 12448, 13088, 14004, 14724, 16338, 17178, 18672, 19632, 21784, 22904, 24507, 25767, 28008, 29448, 32676, 34356, 37344, 39264, 43568, 45808, 49014, 51534, 56016, 58896, 65352, 68712, 87136, 91616, 98028, 103068, 112032, 117792, 130704, 137424, 159101, 196056, 206136, 261408, 274848, 318202, 392112, 412272, 477303, 636404, 784224, 824544, 954606, 1113707, 1272808, 1431909, 1909212, 2227414, 2545616, 2863818, 3341121, 3818424, 4454828, 5091232, 5727636, 6682242, 7636848, 8909656, 10023363, 11455272, 13364484, 15273696, 17819312, 20046726, 22910544, 26728968, 35638624, 40093452, 45821088, 53457936, 80186904, 106915872, 160373808, 320747616]

約数ペア:

[(1, 320747616), (2, 160373808), (3, 106915872), (4, 80186904), (6, 53457936), (7, 45821088), (8, 40093452), (9, 35638624), (12, 26728968), (14, 22910544), (16, 20046726), (18, 17819312), (21, 15273696), (24, 13364484), (28, 11455272), (32, 10023363), (36, 8909656), (42, 7636848), (48, 6682242), (56, 5727636), (63, 5091232), (72, 4454828), (84, 3818424), (96, 3341121), (112, 2863818), (126, 2545616), (144, 2227414), (168, 1909212), (224, 1431909), (252, 1272808), (288, 1113707), (336, 954606), (389, 824544), (409, 784224), (504, 636404), (672, 477303), (778, 412272), (818, 392112), (1008, 318202), (1167, 274848), (1227, 261408), (1556, 206136), (1636, 196056), (2016, 159101), (2334, 137424), (2454, 130704), (2723, 117792), (2863, 112032), (3112, 103068), (3272, 98028), (3501, 91616), (3681, 87136), (4668, 68712), (4908, 65352), (5446, 58896), (5726, 56016), (6224, 51534), (6544, 49014), (7002, 45808), (7362, 43568), (8169, 39264), (8589, 37344), (9336, 34356), (9816, 32676), (10892, 29448), (11452, 28008), (12448, 25767), (13088, 24507), (14004, 22904), (14724, 21784), (16338, 19632), (17178, 18672)]