140382880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 378356832

約数和(自身を除く): 237973952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 83, 88, 110, 124, 155, 160, 166, 176, 220, 248, 310, 332, 341, 352, 415, 440, 496, 620, 664, 682, 830, 880, 913, 961, 992, 1240, 1328, 1364, 1660, 1705, 1760, 1826, 1922, 2480, 2573, 2656, 2728, 3320, 3410, 3652, 3844, 4565, 4805, 4960, 5146, 5456, 6640, 6820, 7304, 7688, 9130, 9610, 10292, 10571, 10912, 12865, 13280, 13640, 14608, 15376, 18260, 19220, 20584, 21142, 25730, 27280, 28303, 29216, 30752, 36520, 38440, 41168, 42284, 51460, 52855, 54560, 56606, 73040, 76880, 79763, 82336, 84568, 102920, 105710, 113212, 141515, 146080, 153760, 159526, 169136, 205840, 211420, 226424, 283030, 319052, 338272, 398815, 411680, 422840, 452848, 566060, 638104, 797630, 845680, 877393, 905696, 1132120, 1276208, 1595260, 1691360, 1754786, 2264240, 2552416, 3190520, 3509572, 4386965, 4528480, 6381040, 7019144, 8773930, 12762080, 14038288, 17547860, 28076576, 35095720, 70191440, 140382880]

約数ペア:

[(1, 140382880), (2, 70191440), (4, 35095720), (5, 28076576), (8, 17547860), (10, 14038288), (11, 12762080), (16, 8773930), (20, 7019144), (22, 6381040), (31, 4528480), (32, 4386965), (40, 3509572), (44, 3190520), (55, 2552416), (62, 2264240), (80, 1754786), (83, 1691360), (88, 1595260), (110, 1276208), (124, 1132120), (155, 905696), (160, 877393), (166, 845680), (176, 797630), (220, 638104), (248, 566060), (310, 452848), (332, 422840), (341, 411680), (352, 398815), (415, 338272), (440, 319052), (496, 283030), (620, 226424), (664, 211420), (682, 205840), (830, 169136), (880, 159526), (913, 153760), (961, 146080), (992, 141515), (1240, 113212), (1328, 105710), (1364, 102920), (1660, 84568), (1705, 82336), (1760, 79763), (1826, 76880), (1922, 73040), (2480, 56606), (2573, 54560), (2656, 52855), (2728, 51460), (3320, 42284), (3410, 41168), (3652, 38440), (3844, 36520), (4565, 30752), (4805, 29216), (4960, 28303), (5146, 27280), (5456, 25730), (6640, 21142), (6820, 20584), (7304, 19220), (7688, 18260), (9130, 15376), (9610, 14608), (10292, 13640), (10571, 13280), (10912, 12865)]