87123450.000000000

素因数分解:

$2^8\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1237}}^1$

素因数の和:1449

約数の個数: 72

約数和(自身を含む): 728775936

約数和(自身を除く): 426354176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 256, 320, 382, 640, 764, 955, 1237, 1280, 1528, 1910, 2474, 3056, 3820, 4948, 6112, 6185, 7640, 9896, 12224, 12370, 15280, 19792, 24448, 24740, 30560, 39584, 48896, 49480, 61120, 79168, 98960, 122240, 158336, 197920, 236267, 244480, 316672, 395840, 472534, 791680, 945068, 1181335, 1583360, 1890136, 2362670, 3780272, 4725340, 7560544, 9450680, 15121088, 18901360, 30242176, 37802720, 60484352, 75605440, 151210880, 302421760]

約数ペア:

[(1, 302421760), (2, 151210880), (4, 75605440), (5, 60484352), (8, 37802720), (10, 30242176), (16, 18901360), (20, 15121088), (32, 9450680), (40, 7560544), (64, 4725340), (80, 3780272), (128, 2362670), (160, 1890136), (191, 1583360), (256, 1181335), (320, 945068), (382, 791680), (640, 472534), (764, 395840), (955, 316672), (1237, 244480), (1280, 236267), (1528, 197920), (1910, 158336), (2474, 122240), (3056, 98960), (3820, 79168), (4948, 61120), (6112, 49480), (6185, 48896), (7640, 39584), (9896, 30560), (12224, 24740), (12370, 24448), (15280, 19792)]