81917250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 205770240

約数和(自身を除く): 123852990

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 239, 250, 375, 457, 478, 717, 750, 914, 1195, 1371, 1434, 2285, 2390, 2742, 3585, 4570, 5975, 6855, 7170, 11425, 11950, 13710, 17925, 22850, 29875, 34275, 35850, 57125, 59750, 68550, 89625, 109223, 114250, 171375, 179250, 218446, 327669, 342750, 546115, 655338, 1092230, 1638345, 2730575, 3276690, 5461150, 8191725, 13652875, 16383450, 27305750, 40958625, 81917250]

約数ペア:

[(1, 81917250), (2, 40958625), (3, 27305750), (5, 16383450), (6, 13652875), (10, 8191725), (15, 5461150), (25, 3276690), (30, 2730575), (50, 1638345), (75, 1092230), (125, 655338), (150, 546115), (239, 342750), (250, 327669), (375, 218446), (457, 179250), (478, 171375), (717, 114250), (750, 109223), (914, 89625), (1195, 68550), (1371, 59750), (1434, 57125), (2285, 35850), (2390, 34275), (2742, 29875), (3585, 22850), (4570, 17925), (5975, 13710), (6855, 11950), (7170, 11425)]