87207720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1663}}^1$

素因数の和:1719

約数の個数: 128

約数和(自身を含む): 287539200

約数和(自身を除く): 200331480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1663, 1748, 2185, 2280, 2622, 2760, 3326, 3496, 4370, 4989, 5244, 6555, 6652, 8315, 8740, 9978, 10488, 13110, 13304, 16630, 17480, 19956, 24945, 26220, 31597, 33260, 38249, 39912, 49890, 52440, 63194, 66520, 76498, 94791, 99780, 114747, 126388, 152996, 157985, 189582, 191245, 199560, 229494, 252776, 305992, 315970, 379164, 382490, 458988, 473955, 573735, 631940, 726731, 758328, 764980, 917976, 947910, 1147470, 1263880, 1453462, 1529960, 1895820, 2180193, 2294940, 2906924, 3633655, 3791640, 4360386, 4589880, 5813848, 7267310, 8720772, 10900965, 14534620, 17441544, 21801930, 29069240, 43603860, 87207720]

約数ペア:

[(1, 87207720), (2, 43603860), (3, 29069240), (4, 21801930), (5, 17441544), (6, 14534620), (8, 10900965), (10, 8720772), (12, 7267310), (15, 5813848), (19, 4589880), (20, 4360386), (23, 3791640), (24, 3633655), (30, 2906924), (38, 2294940), (40, 2180193), (46, 1895820), (57, 1529960), (60, 1453462), (69, 1263880), (76, 1147470), (92, 947910), (95, 917976), (114, 764980), (115, 758328), (120, 726731), (138, 631940), (152, 573735), (184, 473955), (190, 458988), (228, 382490), (230, 379164), (276, 315970), (285, 305992), (345, 252776), (380, 229494), (437, 199560), (456, 191245), (460, 189582), (552, 157985), (570, 152996), (690, 126388), (760, 114747), (874, 99780), (920, 94791), (1140, 76498), (1311, 66520), (1380, 63194), (1663, 52440), (1748, 49890), (2185, 39912), (2280, 38249), (2622, 33260), (2760, 31597), (3326, 26220), (3496, 24945), (4370, 19956), (4989, 17480), (5244, 16630), (6555, 13304), (6652, 13110), (8315, 10488), (8740, 9978)]