551383360

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 168

約数和(自身を含む): 1489118688

約数和(自身を除く): 937735328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 155, 160, 163, 176, 220, 248, 310, 320, 326, 341, 352, 440, 496, 620, 652, 682, 704, 815, 880, 961, 992, 1240, 1304, 1364, 1630, 1705, 1760, 1793, 1922, 1984, 2480, 2608, 2728, 3260, 3410, 3520, 3586, 3844, 4805, 4960, 5053, 5216, 5456, 6520, 6820, 7172, 7688, 8965, 9610, 9920, 10106, 10432, 10571, 10912, 13040, 13640, 14344, 15376, 17930, 19220, 20212, 21142, 21824, 25265, 26080, 27280, 28688, 30752, 35860, 38440, 40424, 42284, 50530, 52160, 52855, 54560, 55583, 57376, 61504, 71720, 76880, 80848, 84568, 101060, 105710, 109120, 111166, 114752, 143440, 153760, 156643, 161696, 169136, 202120, 211420, 222332, 277915, 286880, 307520, 313286, 323392, 338272, 404240, 422840, 444664, 555830, 573760, 626572, 676544, 783215, 808480, 845680, 889328, 1111660, 1253144, 1566430, 1616960, 1691360, 1723073, 1778656, 2223320, 2506288, 3132860, 3382720, 3446146, 3557312, 4446640, 5012576, 6265720, 6892292, 8615365, 8893280, 10025152, 12531440, 13784584, 17230730, 17786560, 25062880, 27569168, 34461460, 50125760, 55138336, 68922920, 110276672, 137845840, 275691680, 551383360]

約数ペア:

[(1, 551383360), (2, 275691680), (4, 137845840), (5, 110276672), (8, 68922920), (10, 55138336), (11, 50125760), (16, 34461460), (20, 27569168), (22, 25062880), (31, 17786560), (32, 17230730), (40, 13784584), (44, 12531440), (55, 10025152), (62, 8893280), (64, 8615365), (80, 6892292), (88, 6265720), (110, 5012576), (124, 4446640), (155, 3557312), (160, 3446146), (163, 3382720), (176, 3132860), (220, 2506288), (248, 2223320), (310, 1778656), (320, 1723073), (326, 1691360), (341, 1616960), (352, 1566430), (440, 1253144), (496, 1111660), (620, 889328), (652, 845680), (682, 808480), (704, 783215), (815, 676544), (880, 626572), (961, 573760), (992, 555830), (1240, 444664), (1304, 422840), (1364, 404240), (1630, 338272), (1705, 323392), (1760, 313286), (1793, 307520), (1922, 286880), (1984, 277915), (2480, 222332), (2608, 211420), (2728, 202120), (3260, 169136), (3410, 161696), (3520, 156643), (3586, 153760), (3844, 143440), (4805, 114752), (4960, 111166), (5053, 109120), (5216, 105710), (5456, 101060), (6520, 84568), (6820, 80848), (7172, 76880), (7688, 71720), (8965, 61504), (9610, 57376), (9920, 55583), (10106, 54560), (10432, 52855), (10571, 52160), (10912, 50530), (13040, 42284), (13640, 40424), (14344, 38440), (15376, 35860), (17930, 30752), (19220, 28688), (20212, 27280), (21142, 26080), (21824, 25265)]