137845840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 363485664

約数和(自身を除く): 225639824

約数列:

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

約数ペア:

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