81623360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2803}}^1$

素因数の和:2840

約数の個数: 112

約数和(自身を含む): 239304576

約数和(自身を除く): 157681216

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2803, 2912, 3640, 4160, 5606, 5824, 7280, 11212, 14015, 14560, 19621, 22424, 28030, 29120, 36439, 39242, 44848, 56060, 72878, 78484, 89696, 98105, 112120, 145756, 156968, 179392, 182195, 196210, 224240, 255073, 291512, 313936, 364390, 392420, 448480, 510146, 583024, 627872, 728780, 784840, 896960, 1020292, 1166048, 1255744, 1275365, 1457560, 1569680, 2040584, 2332096, 2550730, 2915120, 3139360, 4081168, 5101460, 5830240, 6278720, 8162336, 10202920, 11660480, 16324672, 20405840, 40811680, 81623360]

約数ペア:

[(1, 81623360), (2, 40811680), (4, 20405840), (5, 16324672), (7, 11660480), (8, 10202920), (10, 8162336), (13, 6278720), (14, 5830240), (16, 5101460), (20, 4081168), (26, 3139360), (28, 2915120), (32, 2550730), (35, 2332096), (40, 2040584), (52, 1569680), (56, 1457560), (64, 1275365), (65, 1255744), (70, 1166048), (80, 1020292), (91, 896960), (104, 784840), (112, 728780), (130, 627872), (140, 583024), (160, 510146), (182, 448480), (208, 392420), (224, 364390), (260, 313936), (280, 291512), (320, 255073), (364, 224240), (416, 196210), (448, 182195), (455, 179392), (520, 156968), (560, 145756), (728, 112120), (832, 98105), (910, 89696), (1040, 78484), (1120, 72878), (1456, 56060), (1820, 44848), (2080, 39242), (2240, 36439), (2803, 29120), (2912, 28030), (3640, 22424), (4160, 19621), (5606, 14560), (5824, 14015), (7280, 11212)]