81365700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:734

約数の個数: 144

約数和(自身を含む): 262094336

約数和(自身を除く): 180728636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 186, 195, 260, 300, 310, 325, 372, 390, 403, 465, 620, 650, 673, 775, 780, 806, 930, 975, 1209, 1300, 1346, 1550, 1612, 1860, 1950, 2015, 2019, 2325, 2418, 2692, 3100, 3365, 3900, 4030, 4038, 4650, 4836, 6045, 6730, 8060, 8076, 8749, 9300, 10075, 10095, 12090, 13460, 16825, 17498, 20150, 20190, 20863, 24180, 26247, 30225, 33650, 34996, 40300, 40380, 41726, 43745, 50475, 52494, 60450, 62589, 67300, 83452, 87490, 100950, 104315, 104988, 120900, 125178, 131235, 174980, 201900, 208630, 218725, 250356, 262470, 271219, 312945, 417260, 437450, 521575, 524940, 542438, 625890, 656175, 813657, 874900, 1043150, 1084876, 1251780, 1312350, 1356095, 1564725, 1627314, 2086300, 2624700, 2712190, 3129450, 3254628, 4068285, 5424380, 6258900, 6780475, 8136570, 13560950, 16273140, 20341425, 27121900, 40682850, 81365700]

約数ペア:

[(1, 81365700), (2, 40682850), (3, 27121900), (4, 20341425), (5, 16273140), (6, 13560950), (10, 8136570), (12, 6780475), (13, 6258900), (15, 5424380), (20, 4068285), (25, 3254628), (26, 3129450), (30, 2712190), (31, 2624700), (39, 2086300), (50, 1627314), (52, 1564725), (60, 1356095), (62, 1312350), (65, 1251780), (75, 1084876), (78, 1043150), (93, 874900), (100, 813657), (124, 656175), (130, 625890), (150, 542438), (155, 524940), (156, 521575), (186, 437450), (195, 417260), (260, 312945), (300, 271219), (310, 262470), (325, 250356), (372, 218725), (390, 208630), (403, 201900), (465, 174980), (620, 131235), (650, 125178), (673, 120900), (775, 104988), (780, 104315), (806, 100950), (930, 87490), (975, 83452), (1209, 67300), (1300, 62589), (1346, 60450), (1550, 52494), (1612, 50475), (1860, 43745), (1950, 41726), (2015, 40380), (2019, 40300), (2325, 34996), (2418, 33650), (2692, 30225), (3100, 26247), (3365, 24180), (3900, 20863), (4030, 20190), (4038, 20150), (4650, 17498), (4836, 16825), (6045, 13460), (6730, 12090), (8060, 10095), (8076, 10075), (8749, 9300)]