69345760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 189178416

約数和(自身を除く): 119832656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 41, 44, 55, 62, 80, 82, 88, 110, 124, 155, 160, 164, 176, 205, 220, 248, 310, 328, 341, 352, 410, 440, 451, 496, 620, 656, 682, 820, 880, 902, 961, 992, 1240, 1271, 1312, 1364, 1640, 1705, 1760, 1804, 1922, 2255, 2480, 2542, 2728, 3280, 3410, 3608, 3844, 4510, 4805, 4960, 5084, 5456, 6355, 6560, 6820, 7216, 7688, 9020, 9610, 10168, 10571, 10912, 12710, 13640, 13981, 14432, 15376, 18040, 19220, 20336, 21142, 25420, 27280, 27962, 30752, 36080, 38440, 39401, 40672, 42284, 50840, 52855, 54560, 55924, 69905, 72160, 76880, 78802, 84568, 101680, 105710, 111848, 139810, 153760, 157604, 169136, 197005, 203360, 211420, 223696, 279620, 315208, 338272, 394010, 422840, 433411, 447392, 559240, 630416, 788020, 845680, 866822, 1118480, 1260832, 1576040, 1691360, 1733644, 2167055, 2236960, 3152080, 3467288, 4334110, 6304160, 6934576, 8668220, 13869152, 17336440, 34672880, 69345760]

約数ペア:

[(1, 69345760), (2, 34672880), (4, 17336440), (5, 13869152), (8, 8668220), (10, 6934576), (11, 6304160), (16, 4334110), (20, 3467288), (22, 3152080), (31, 2236960), (32, 2167055), (40, 1733644), (41, 1691360), (44, 1576040), (55, 1260832), (62, 1118480), (80, 866822), (82, 845680), (88, 788020), (110, 630416), (124, 559240), (155, 447392), (160, 433411), (164, 422840), (176, 394010), (205, 338272), (220, 315208), (248, 279620), (310, 223696), (328, 211420), (341, 203360), (352, 197005), (410, 169136), (440, 157604), (451, 153760), (496, 139810), (620, 111848), (656, 105710), (682, 101680), (820, 84568), (880, 78802), (902, 76880), (961, 72160), (992, 69905), (1240, 55924), (1271, 54560), (1312, 52855), (1364, 50840), (1640, 42284), (1705, 40672), (1760, 39401), (1804, 38440), (1922, 36080), (2255, 30752), (2480, 27962), (2542, 27280), (2728, 25420), (3280, 21142), (3410, 20336), (3608, 19220), (3844, 18040), (4510, 15376), (4805, 14432), (4960, 13981), (5084, 13640), (5456, 12710), (6355, 10912), (6560, 10571), (6820, 10168), (7216, 9610), (7688, 9020)]