320865408

素因数分解:

$2^7\times 3^3\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:659

約数の個数: 128

約数和(自身を含む): 953496000

約数和(自身を除く): 632630592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 227, 288, 384, 409, 432, 454, 576, 681, 818, 864, 908, 1152, 1227, 1362, 1636, 1728, 1816, 2043, 2454, 2724, 3272, 3456, 3632, 3681, 4086, 4908, 5448, 6129, 6544, 7264, 7362, 8172, 9816, 10896, 11043, 12258, 13088, 14528, 14724, 16344, 19632, 21792, 22086, 24516, 26176, 29056, 29448, 32688, 39264, 43584, 44172, 49032, 52352, 58896, 65376, 78528, 87168, 88344, 92843, 98064, 117792, 130752, 157056, 176688, 185686, 196128, 235584, 261504, 278529, 353376, 371372, 392256, 471168, 557058, 706752, 742744, 784512, 835587, 1114116, 1413504, 1485488, 1671174, 2228232, 2506761, 2970976, 3342348, 4456464, 5013522, 5941952, 6684696, 8912928, 10027044, 11883904, 13369392, 17825856, 20054088, 26738784, 35651712, 40108176, 53477568, 80216352, 106955136, 160432704, 320865408]

約数ペア:

[(1, 320865408), (2, 160432704), (3, 106955136), (4, 80216352), (6, 53477568), (8, 40108176), (9, 35651712), (12, 26738784), (16, 20054088), (18, 17825856), (24, 13369392), (27, 11883904), (32, 10027044), (36, 8912928), (48, 6684696), (54, 5941952), (64, 5013522), (72, 4456464), (96, 3342348), (108, 2970976), (128, 2506761), (144, 2228232), (192, 1671174), (216, 1485488), (227, 1413504), (288, 1114116), (384, 835587), (409, 784512), (432, 742744), (454, 706752), (576, 557058), (681, 471168), (818, 392256), (864, 371372), (908, 353376), (1152, 278529), (1227, 261504), (1362, 235584), (1636, 196128), (1728, 185686), (1816, 176688), (2043, 157056), (2454, 130752), (2724, 117792), (3272, 98064), (3456, 92843), (3632, 88344), (3681, 87168), (4086, 78528), (4908, 65376), (5448, 58896), (6129, 52352), (6544, 49032), (7264, 44172), (7362, 43584), (8172, 39264), (9816, 32688), (10896, 29448), (11043, 29056), (12258, 26176), (13088, 24516), (14528, 22086), (14724, 21792), (16344, 19632)]