155087240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1243

約数の個数: 128

約数和(自身を含む): 445547520

約数和(自身を除く): 290460280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 86, 88, 110, 140, 154, 172, 215, 220, 280, 301, 308, 344, 385, 430, 440, 473, 602, 616, 770, 860, 946, 1171, 1204, 1505, 1540, 1720, 1892, 2342, 2365, 2408, 3010, 3080, 3311, 3784, 4684, 4730, 5855, 6020, 6622, 8197, 9368, 9460, 11710, 12040, 12881, 13244, 16394, 16555, 18920, 23420, 25762, 26488, 32788, 33110, 40985, 46840, 50353, 51524, 64405, 65576, 66220, 81970, 90167, 100706, 103048, 128810, 132440, 163940, 180334, 201412, 251765, 257620, 327880, 352471, 360668, 402824, 450835, 503530, 515240, 553883, 704942, 721336, 901670, 1007060, 1107766, 1409884, 1762355, 1803340, 2014120, 2215532, 2769415, 2819768, 3524710, 3606680, 3877181, 4431064, 5538830, 7049420, 7754362, 11077660, 14098840, 15508724, 19385905, 22155320, 31017448, 38771810, 77543620, 155087240]

約数ペア:

[(1, 155087240), (2, 77543620), (4, 38771810), (5, 31017448), (7, 22155320), (8, 19385905), (10, 15508724), (11, 14098840), (14, 11077660), (20, 7754362), (22, 7049420), (28, 5538830), (35, 4431064), (40, 3877181), (43, 3606680), (44, 3524710), (55, 2819768), (56, 2769415), (70, 2215532), (77, 2014120), (86, 1803340), (88, 1762355), (110, 1409884), (140, 1107766), (154, 1007060), (172, 901670), (215, 721336), (220, 704942), (280, 553883), (301, 515240), (308, 503530), (344, 450835), (385, 402824), (430, 360668), (440, 352471), (473, 327880), (602, 257620), (616, 251765), (770, 201412), (860, 180334), (946, 163940), (1171, 132440), (1204, 128810), (1505, 103048), (1540, 100706), (1720, 90167), (1892, 81970), (2342, 66220), (2365, 65576), (2408, 64405), (3010, 51524), (3080, 50353), (3311, 46840), (3784, 40985), (4684, 33110), (4730, 32788), (5855, 26488), (6020, 25762), (6622, 23420), (8197, 18920), (9368, 16555), (9460, 16394), (11710, 13244), (12040, 12881)]