129098240

素因数分解:

$2^9\times 5^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:473

約数の個数: 80

約数和(自身を含む): 312301440

約数和(自身を除く): 183203200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 239, 256, 320, 422, 478, 512, 640, 844, 956, 1055, 1195, 1280, 1688, 1912, 2110, 2390, 2560, 3376, 3824, 4220, 4780, 6752, 7648, 8440, 9560, 13504, 15296, 16880, 19120, 27008, 30592, 33760, 38240, 50429, 54016, 61184, 67520, 76480, 100858, 108032, 122368, 135040, 152960, 201716, 252145, 270080, 305920, 403432, 504290, 540160, 611840, 806864, 1008580, 1613728, 2017160, 3227456, 4034320, 6454912, 8068640, 12909824, 16137280, 25819648, 32274560, 64549120, 129098240]

約数ペア:

[(1, 129098240), (2, 64549120), (4, 32274560), (5, 25819648), (8, 16137280), (10, 12909824), (16, 8068640), (20, 6454912), (32, 4034320), (40, 3227456), (64, 2017160), (80, 1613728), (128, 1008580), (160, 806864), (211, 611840), (239, 540160), (256, 504290), (320, 403432), (422, 305920), (478, 270080), (512, 252145), (640, 201716), (844, 152960), (956, 135040), (1055, 122368), (1195, 108032), (1280, 100858), (1688, 76480), (1912, 67520), (2110, 61184), (2390, 54016), (2560, 50429), (3376, 38240), (3824, 33760), (4220, 30592), (4780, 27008), (6752, 19120), (7648, 16880), (8440, 15296), (9560, 13504)]