84755840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 223110720

約数和(自身を除く): 138354880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 128, 130, 160, 167, 208, 244, 260, 305, 320, 334, 416, 488, 520, 610, 640, 668, 793, 832, 835, 976, 1040, 1220, 1336, 1586, 1664, 1670, 1952, 2080, 2171, 2440, 2672, 3172, 3340, 3904, 3965, 4160, 4342, 4880, 5344, 6344, 6680, 7808, 7930, 8320, 8684, 9760, 10187, 10688, 10855, 12688, 13360, 15860, 17368, 19520, 20374, 21376, 21710, 25376, 26720, 31720, 34736, 39040, 40748, 43420, 50752, 50935, 53440, 63440, 69472, 81496, 86840, 101504, 101870, 106880, 126880, 132431, 138944, 162992, 173680, 203740, 253760, 264862, 277888, 325984, 347360, 407480, 507520, 529724, 651968, 662155, 694720, 814960, 1059448, 1303936, 1324310, 1389440, 1629920, 2118896, 2648620, 3259840, 4237792, 5297240, 6519680, 8475584, 10594480, 16951168, 21188960, 42377920, 84755840]

約数ペア:

[(1, 84755840), (2, 42377920), (4, 21188960), (5, 16951168), (8, 10594480), (10, 8475584), (13, 6519680), (16, 5297240), (20, 4237792), (26, 3259840), (32, 2648620), (40, 2118896), (52, 1629920), (61, 1389440), (64, 1324310), (65, 1303936), (80, 1059448), (104, 814960), (122, 694720), (128, 662155), (130, 651968), (160, 529724), (167, 507520), (208, 407480), (244, 347360), (260, 325984), (305, 277888), (320, 264862), (334, 253760), (416, 203740), (488, 173680), (520, 162992), (610, 138944), (640, 132431), (668, 126880), (793, 106880), (832, 101870), (835, 101504), (976, 86840), (1040, 81496), (1220, 69472), (1336, 63440), (1586, 53440), (1664, 50935), (1670, 50752), (1952, 43420), (2080, 40748), (2171, 39040), (2440, 34736), (2672, 31720), (3172, 26720), (3340, 25376), (3904, 21710), (3965, 21376), (4160, 20374), (4342, 19520), (4880, 17368), (5344, 15860), (6344, 13360), (6680, 12688), (7808, 10855), (7930, 10688), (8320, 10187), (8684, 9760)]