128666720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8837}}^1$

素因数の和:8872

約数の個数: 96

約数和(自身を含む): 374165568

約数和(自身を除く): 245498848

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2912, 3640, 7280, 8837, 14560, 17674, 35348, 44185, 61859, 70696, 88370, 114881, 123718, 141392, 176740, 229762, 247436, 282784, 309295, 353480, 459524, 494872, 574405, 618590, 706960, 804167, 919048, 989744, 1148810, 1237180, 1413920, 1608334, 1838096, 1979488, 2297620, 2474360, 3216668, 3676192, 4020835, 4595240, 4948720, 6433336, 8041670, 9190480, 9897440, 12866672, 16083340, 18380960, 25733344, 32166680, 64333360, 128666720]

約数ペア:

[(1, 128666720), (2, 64333360), (4, 32166680), (5, 25733344), (7, 18380960), (8, 16083340), (10, 12866672), (13, 9897440), (14, 9190480), (16, 8041670), (20, 6433336), (26, 4948720), (28, 4595240), (32, 4020835), (35, 3676192), (40, 3216668), (52, 2474360), (56, 2297620), (65, 1979488), (70, 1838096), (80, 1608334), (91, 1413920), (104, 1237180), (112, 1148810), (130, 989744), (140, 919048), (160, 804167), (182, 706960), (208, 618590), (224, 574405), (260, 494872), (280, 459524), (364, 353480), (416, 309295), (455, 282784), (520, 247436), (560, 229762), (728, 176740), (910, 141392), (1040, 123718), (1120, 114881), (1456, 88370), (1820, 70696), (2080, 61859), (2912, 44185), (3640, 35348), (7280, 17674), (8837, 14560)]