7154840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 21150720

約数和(自身を除く): 13995880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 101, 110, 115, 140, 154, 161, 184, 202, 220, 230, 253, 280, 308, 322, 385, 404, 440, 460, 505, 506, 616, 644, 707, 770, 805, 808, 920, 1010, 1012, 1111, 1265, 1288, 1414, 1540, 1610, 1771, 2020, 2024, 2222, 2323, 2530, 2828, 3080, 3220, 3535, 3542, 4040, 4444, 4646, 5060, 5555, 5656, 6440, 7070, 7084, 7777, 8855, 8888, 9292, 10120, 11110, 11615, 14140, 14168, 15554, 16261, 17710, 18584, 22220, 23230, 25553, 28280, 31108, 32522, 35420, 38885, 44440, 46460, 51106, 62216, 65044, 70840, 77770, 81305, 92920, 102212, 127765, 130088, 155540, 162610, 178871, 204424, 255530, 311080, 325220, 357742, 511060, 650440, 715484, 894355, 1022120, 1430968, 1788710, 3577420, 7154840]

約数ペア:

[(1, 7154840), (2, 3577420), (4, 1788710), (5, 1430968), (7, 1022120), (8, 894355), (10, 715484), (11, 650440), (14, 511060), (20, 357742), (22, 325220), (23, 311080), (28, 255530), (35, 204424), (40, 178871), (44, 162610), (46, 155540), (55, 130088), (56, 127765), (70, 102212), (77, 92920), (88, 81305), (92, 77770), (101, 70840), (110, 65044), (115, 62216), (140, 51106), (154, 46460), (161, 44440), (184, 38885), (202, 35420), (220, 32522), (230, 31108), (253, 28280), (280, 25553), (308, 23230), (322, 22220), (385, 18584), (404, 17710), (440, 16261), (460, 15554), (505, 14168), (506, 14140), (616, 11615), (644, 11110), (707, 10120), (770, 9292), (805, 8888), (808, 8855), (920, 7777), (1010, 7084), (1012, 7070), (1111, 6440), (1265, 5656), (1288, 5555), (1414, 5060), (1540, 4646), (1610, 4444), (1771, 4040), (2020, 3542), (2024, 3535), (2222, 3220), (2323, 3080), (2530, 2828)]