88880480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:233

約数の個数: 144

約数和(自身を含む): 240725520

約数和(自身を除く): 151845040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 169, 173, 190, 208, 247, 260, 304, 338, 346, 380, 416, 494, 520, 608, 676, 692, 760, 845, 865, 988, 1040, 1235, 1352, 1384, 1520, 1690, 1730, 1976, 2080, 2249, 2470, 2704, 2768, 3040, 3211, 3287, 3380, 3460, 3952, 4498, 4940, 5408, 5536, 6422, 6574, 6760, 6920, 7904, 8996, 9880, 11245, 12844, 13148, 13520, 13840, 16055, 16435, 17992, 19760, 22490, 25688, 26296, 27040, 27680, 29237, 32110, 32870, 35984, 39520, 42731, 44980, 51376, 52592, 58474, 64220, 65740, 71968, 85462, 89960, 102752, 105184, 116948, 128440, 131480, 146185, 170924, 179920, 213655, 233896, 256880, 262960, 292370, 341848, 359840, 427310, 467792, 513760, 525920, 555503, 584740, 683696, 854620, 935584, 1111006, 1169480, 1367392, 1709240, 2222012, 2338960, 2777515, 3418480, 4444024, 4677920, 5555030, 6836960, 8888048, 11110060, 17776096, 22220120, 44440240, 88880480]

約数ペア:

[(1, 88880480), (2, 44440240), (4, 22220120), (5, 17776096), (8, 11110060), (10, 8888048), (13, 6836960), (16, 5555030), (19, 4677920), (20, 4444024), (26, 3418480), (32, 2777515), (38, 2338960), (40, 2222012), (52, 1709240), (65, 1367392), (76, 1169480), (80, 1111006), (95, 935584), (104, 854620), (130, 683696), (152, 584740), (160, 555503), (169, 525920), (173, 513760), (190, 467792), (208, 427310), (247, 359840), (260, 341848), (304, 292370), (338, 262960), (346, 256880), (380, 233896), (416, 213655), (494, 179920), (520, 170924), (608, 146185), (676, 131480), (692, 128440), (760, 116948), (845, 105184), (865, 102752), (988, 89960), (1040, 85462), (1235, 71968), (1352, 65740), (1384, 64220), (1520, 58474), (1690, 52592), (1730, 51376), (1976, 44980), (2080, 42731), (2249, 39520), (2470, 35984), (2704, 32870), (2768, 32110), (3040, 29237), (3211, 27680), (3287, 27040), (3380, 26296), (3460, 25688), (3952, 22490), (4498, 19760), (4940, 17992), (5408, 16435), (5536, 16055), (6422, 13840), (6574, 13520), (6760, 13148), (6920, 12844), (7904, 11245), (8996, 9880)]