68922920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 175880160

約数和(自身を除く): 106957240

約数列:

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

約数ペア:

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