130991985

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:652

約数の個数: 80

約数和(自身を含む): 256132800

約数和(自身を除く): 125140815

約数列:

[1, 3, 5, 9, 15, 19, 27, 29, 45, 57, 81, 87, 95, 135, 145, 171, 261, 285, 405, 435, 513, 551, 587, 783, 855, 1305, 1539, 1653, 1761, 2349, 2565, 2755, 2935, 3915, 4959, 5283, 7695, 8265, 8805, 11153, 11745, 14877, 15849, 17023, 24795, 26415, 33459, 44631, 47547, 51069, 55765, 74385, 79245, 85115, 100377, 153207, 167295, 223155, 237735, 255345, 301131, 323437, 459621, 501885, 766035, 903393, 970311, 1378863, 1505655, 1617185, 2298105, 2910933, 4516965, 4851555, 6894315, 8732799, 14554665, 26198397, 43663995, 130991985]

約数ペア:

[(1, 130991985), (3, 43663995), (5, 26198397), (9, 14554665), (15, 8732799), (19, 6894315), (27, 4851555), (29, 4516965), (45, 2910933), (57, 2298105), (81, 1617185), (87, 1505655), (95, 1378863), (135, 970311), (145, 903393), (171, 766035), (261, 501885), (285, 459621), (405, 323437), (435, 301131), (513, 255345), (551, 237735), (587, 223155), (783, 167295), (855, 153207), (1305, 100377), (1539, 85115), (1653, 79245), (1761, 74385), (2349, 55765), (2565, 51069), (2755, 47547), (2935, 44631), (3915, 33459), (4959, 26415), (5283, 24795), (7695, 17023), (8265, 15849), (8805, 14877), (11153, 11745)]