128565280

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15161}}^1$

素因数の和:15229

約数の個数: 48

約数和(自身を含む): 309486744

約数和(自身を除く): 180921464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 4240, 8480, 15161, 30322, 60644, 75805, 121288, 151610, 242576, 303220, 485152, 606440, 803533, 1212880, 1607066, 2425760, 3214132, 4017665, 6428264, 8035330, 12856528, 16070660, 25713056, 32141320, 64282640, 128565280]

約数ペア:

[(1, 128565280), (2, 64282640), (4, 32141320), (5, 25713056), (8, 16070660), (10, 12856528), (16, 8035330), (20, 6428264), (32, 4017665), (40, 3214132), (53, 2425760), (80, 1607066), (106, 1212880), (160, 803533), (212, 606440), (265, 485152), (424, 303220), (530, 242576), (848, 151610), (1060, 121288), (1696, 75805), (2120, 60644), (4240, 30322), (8480, 15161)]