67649920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 178899840

約数和(自身を除く): 111249920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 128, 130, 160, 173, 188, 208, 235, 260, 320, 346, 376, 416, 470, 520, 611, 640, 692, 752, 832, 865, 940, 1040, 1222, 1384, 1504, 1664, 1730, 1880, 2080, 2249, 2444, 2768, 3008, 3055, 3460, 3760, 4160, 4498, 4888, 5536, 6016, 6110, 6920, 7520, 8131, 8320, 8996, 9776, 11072, 11245, 12220, 13840, 15040, 16262, 17992, 19552, 22144, 22490, 24440, 27680, 30080, 32524, 35984, 39104, 40655, 44980, 48880, 55360, 65048, 71968, 78208, 81310, 89960, 97760, 105703, 110720, 130096, 143936, 162620, 179920, 195520, 211406, 260192, 287872, 325240, 359840, 391040, 422812, 520384, 528515, 650480, 719680, 845624, 1040768, 1057030, 1300960, 1439360, 1691248, 2114060, 2601920, 3382496, 4228120, 5203840, 6764992, 8456240, 13529984, 16912480, 33824960, 67649920]

約数ペア:

[(1, 67649920), (2, 33824960), (4, 16912480), (5, 13529984), (8, 8456240), (10, 6764992), (13, 5203840), (16, 4228120), (20, 3382496), (26, 2601920), (32, 2114060), (40, 1691248), (47, 1439360), (52, 1300960), (64, 1057030), (65, 1040768), (80, 845624), (94, 719680), (104, 650480), (128, 528515), (130, 520384), (160, 422812), (173, 391040), (188, 359840), (208, 325240), (235, 287872), (260, 260192), (320, 211406), (346, 195520), (376, 179920), (416, 162620), (470, 143936), (520, 130096), (611, 110720), (640, 105703), (692, 97760), (752, 89960), (832, 81310), (865, 78208), (940, 71968), (1040, 65048), (1222, 55360), (1384, 48880), (1504, 44980), (1664, 40655), (1730, 39104), (1880, 35984), (2080, 32524), (2249, 30080), (2444, 27680), (2768, 24440), (3008, 22490), (3055, 22144), (3460, 19552), (3760, 17992), (4160, 16262), (4498, 15040), (4888, 13840), (5536, 12220), (6016, 11245), (6110, 11072), (6920, 9776), (7520, 8996), (8131, 8320)]