275691680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 738696672

約数和(自身を除く): 463004992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 124, 155, 160, 163, 176, 220, 248, 310, 326, 341, 352, 440, 496, 620, 652, 682, 815, 880, 961, 992, 1240, 1304, 1364, 1630, 1705, 1760, 1793, 1922, 2480, 2608, 2728, 3260, 3410, 3586, 3844, 4805, 4960, 5053, 5216, 5456, 6520, 6820, 7172, 7688, 8965, 9610, 10106, 10571, 10912, 13040, 13640, 14344, 15376, 17930, 19220, 20212, 21142, 25265, 26080, 27280, 28688, 30752, 35860, 38440, 40424, 42284, 50530, 52855, 54560, 55583, 57376, 71720, 76880, 80848, 84568, 101060, 105710, 111166, 143440, 153760, 156643, 161696, 169136, 202120, 211420, 222332, 277915, 286880, 313286, 338272, 404240, 422840, 444664, 555830, 626572, 783215, 808480, 845680, 889328, 1111660, 1253144, 1566430, 1691360, 1723073, 1778656, 2223320, 2506288, 3132860, 3446146, 4446640, 5012576, 6265720, 6892292, 8615365, 8893280, 12531440, 13784584, 17230730, 25062880, 27569168, 34461460, 55138336, 68922920, 137845840, 275691680]

約数ペア:

[(1, 275691680), (2, 137845840), (4, 68922920), (5, 55138336), (8, 34461460), (10, 27569168), (11, 25062880), (16, 17230730), (20, 13784584), (22, 12531440), (31, 8893280), (32, 8615365), (40, 6892292), (44, 6265720), (55, 5012576), (62, 4446640), (80, 3446146), (88, 3132860), (110, 2506288), (124, 2223320), (155, 1778656), (160, 1723073), (163, 1691360), (176, 1566430), (220, 1253144), (248, 1111660), (310, 889328), (326, 845680), (341, 808480), (352, 783215), (440, 626572), (496, 555830), (620, 444664), (652, 422840), (682, 404240), (815, 338272), (880, 313286), (961, 286880), (992, 277915), (1240, 222332), (1304, 211420), (1364, 202120), (1630, 169136), (1705, 161696), (1760, 156643), (1793, 153760), (1922, 143440), (2480, 111166), (2608, 105710), (2728, 101060), (3260, 84568), (3410, 80848), (3586, 76880), (3844, 71720), (4805, 57376), (4960, 55583), (5053, 54560), (5216, 52855), (5456, 50530), (6520, 42284), (6820, 40424), (7172, 38440), (7688, 35860), (8965, 30752), (9610, 28688), (10106, 27280), (10571, 26080), (10912, 25265), (13040, 21142), (13640, 20212), (14344, 19220), (15376, 17930)]