27890280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7043}}^1$

素因数の和:7071

約数の個数: 96

約数和(自身を含む): 98897760

約数和(自身を除く): 71007480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 7043, 14086, 21129, 28172, 35215, 42258, 56344, 63387, 70430, 77473, 84516, 105645, 126774, 140860, 154946, 169032, 211290, 232419, 253548, 281720, 309892, 316935, 387365, 422580, 464838, 507096, 619784, 633870, 697257, 774730, 845160, 929676, 1162095, 1267740, 1394514, 1549460, 1859352, 2324190, 2535480, 2789028, 3098920, 3486285, 4648380, 5578056, 6972570, 9296760, 13945140, 27890280]

約数ペア:

[(1, 27890280), (2, 13945140), (3, 9296760), (4, 6972570), (5, 5578056), (6, 4648380), (8, 3486285), (9, 3098920), (10, 2789028), (11, 2535480), (12, 2324190), (15, 1859352), (18, 1549460), (20, 1394514), (22, 1267740), (24, 1162095), (30, 929676), (33, 845160), (36, 774730), (40, 697257), (44, 633870), (45, 619784), (55, 507096), (60, 464838), (66, 422580), (72, 387365), (88, 316935), (90, 309892), (99, 281720), (110, 253548), (120, 232419), (132, 211290), (165, 169032), (180, 154946), (198, 140860), (220, 126774), (264, 105645), (330, 84516), (360, 77473), (396, 70430), (440, 63387), (495, 56344), (660, 42258), (792, 35215), (990, 28172), (1320, 21129), (1980, 14086), (3960, 7043)]