180975520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 486458784

約数和(自身を除く): 305483264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 107, 110, 124, 155, 160, 176, 214, 220, 248, 310, 341, 352, 428, 440, 496, 535, 620, 682, 856, 880, 961, 992, 1070, 1177, 1240, 1364, 1705, 1712, 1760, 1922, 2140, 2354, 2480, 2728, 3317, 3410, 3424, 3844, 4280, 4708, 4805, 4960, 5456, 5885, 6634, 6820, 7688, 8560, 9416, 9610, 10571, 10912, 11770, 13268, 13640, 15376, 16585, 17120, 18832, 19220, 21142, 23540, 26536, 27280, 30752, 33170, 36487, 37664, 38440, 42284, 47080, 52855, 53072, 54560, 66340, 72974, 76880, 84568, 94160, 102827, 105710, 106144, 132680, 145948, 153760, 169136, 182435, 188320, 205654, 211420, 265360, 291896, 338272, 364870, 411308, 422840, 514135, 530720, 583792, 729740, 822616, 845680, 1028270, 1131097, 1167584, 1459480, 1645232, 1691360, 2056540, 2262194, 2918960, 3290464, 4113080, 4524388, 5655485, 5837920, 8226160, 9048776, 11310970, 16452320, 18097552, 22621940, 36195104, 45243880, 90487760, 180975520]

約数ペア:

[(1, 180975520), (2, 90487760), (4, 45243880), (5, 36195104), (8, 22621940), (10, 18097552), (11, 16452320), (16, 11310970), (20, 9048776), (22, 8226160), (31, 5837920), (32, 5655485), (40, 4524388), (44, 4113080), (55, 3290464), (62, 2918960), (80, 2262194), (88, 2056540), (107, 1691360), (110, 1645232), (124, 1459480), (155, 1167584), (160, 1131097), (176, 1028270), (214, 845680), (220, 822616), (248, 729740), (310, 583792), (341, 530720), (352, 514135), (428, 422840), (440, 411308), (496, 364870), (535, 338272), (620, 291896), (682, 265360), (856, 211420), (880, 205654), (961, 188320), (992, 182435), (1070, 169136), (1177, 153760), (1240, 145948), (1364, 132680), (1705, 106144), (1712, 105710), (1760, 102827), (1922, 94160), (2140, 84568), (2354, 76880), (2480, 72974), (2728, 66340), (3317, 54560), (3410, 53072), (3424, 52855), (3844, 47080), (4280, 42284), (4708, 38440), (4805, 37664), (4960, 36487), (5456, 33170), (5885, 30752), (6634, 27280), (6820, 26536), (7688, 23540), (8560, 21142), (9416, 19220), (9610, 18832), (10571, 17120), (10912, 16585), (11770, 15376), (13268, 13640)]