218994880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:954

約数の個数: 112

約数和(自身を含む): 571463424

約数和(自身を除く): 352468544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 130, 160, 208, 244, 260, 305, 320, 416, 488, 520, 610, 793, 832, 863, 976, 1040, 1220, 1586, 1726, 1952, 2080, 2440, 3172, 3452, 3904, 3965, 4160, 4315, 4880, 6344, 6904, 7930, 8630, 9760, 11219, 12688, 13808, 15860, 17260, 19520, 22438, 25376, 27616, 31720, 34520, 44876, 50752, 52643, 55232, 56095, 63440, 69040, 89752, 105286, 112190, 126880, 138080, 179504, 210572, 224380, 253760, 263215, 276160, 359008, 421144, 448760, 526430, 684359, 718016, 842288, 897520, 1052860, 1368718, 1684576, 1795040, 2105720, 2737436, 3369152, 3421795, 3590080, 4211440, 5474872, 6843590, 8422880, 10949744, 13687180, 16845760, 21899488, 27374360, 43798976, 54748720, 109497440, 218994880]

約数ペア:

[(1, 218994880), (2, 109497440), (4, 54748720), (5, 43798976), (8, 27374360), (10, 21899488), (13, 16845760), (16, 13687180), (20, 10949744), (26, 8422880), (32, 6843590), (40, 5474872), (52, 4211440), (61, 3590080), (64, 3421795), (65, 3369152), (80, 2737436), (104, 2105720), (122, 1795040), (130, 1684576), (160, 1368718), (208, 1052860), (244, 897520), (260, 842288), (305, 718016), (320, 684359), (416, 526430), (488, 448760), (520, 421144), (610, 359008), (793, 276160), (832, 263215), (863, 253760), (976, 224380), (1040, 210572), (1220, 179504), (1586, 138080), (1726, 126880), (1952, 112190), (2080, 105286), (2440, 89752), (3172, 69040), (3452, 63440), (3904, 56095), (3965, 55232), (4160, 52643), (4315, 50752), (4880, 44876), (6344, 34520), (6904, 31720), (7930, 27616), (8630, 25376), (9760, 22438), (11219, 19520), (12688, 17260), (13808, 15860)]