123469280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 333314352

約数和(自身を除く): 209845072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 73, 80, 88, 110, 124, 146, 155, 160, 176, 220, 248, 292, 310, 341, 352, 365, 440, 496, 584, 620, 682, 730, 803, 880, 961, 992, 1168, 1240, 1364, 1460, 1606, 1705, 1760, 1922, 2263, 2336, 2480, 2728, 2920, 3212, 3410, 3844, 4015, 4526, 4805, 4960, 5456, 5840, 6424, 6820, 7688, 8030, 9052, 9610, 10571, 10912, 11315, 11680, 12848, 13640, 15376, 16060, 18104, 19220, 21142, 22630, 24893, 25696, 27280, 30752, 32120, 36208, 38440, 42284, 45260, 49786, 52855, 54560, 64240, 70153, 72416, 76880, 84568, 90520, 99572, 105710, 124465, 128480, 140306, 153760, 169136, 181040, 199144, 211420, 248930, 280612, 338272, 350765, 362080, 398288, 422840, 497860, 561224, 701530, 771683, 796576, 845680, 995720, 1122448, 1403060, 1543366, 1691360, 1991440, 2244896, 2806120, 3086732, 3858415, 3982880, 5612240, 6173464, 7716830, 11224480, 12346928, 15433660, 24693856, 30867320, 61734640, 123469280]

約数ペア:

[(1, 123469280), (2, 61734640), (4, 30867320), (5, 24693856), (8, 15433660), (10, 12346928), (11, 11224480), (16, 7716830), (20, 6173464), (22, 5612240), (31, 3982880), (32, 3858415), (40, 3086732), (44, 2806120), (55, 2244896), (62, 1991440), (73, 1691360), (80, 1543366), (88, 1403060), (110, 1122448), (124, 995720), (146, 845680), (155, 796576), (160, 771683), (176, 701530), (220, 561224), (248, 497860), (292, 422840), (310, 398288), (341, 362080), (352, 350765), (365, 338272), (440, 280612), (496, 248930), (584, 211420), (620, 199144), (682, 181040), (730, 169136), (803, 153760), (880, 140306), (961, 128480), (992, 124465), (1168, 105710), (1240, 99572), (1364, 90520), (1460, 84568), (1606, 76880), (1705, 72416), (1760, 70153), (1922, 64240), (2263, 54560), (2336, 52855), (2480, 49786), (2728, 45260), (2920, 42284), (3212, 38440), (3410, 36208), (3844, 32120), (4015, 30752), (4526, 27280), (4805, 25696), (4960, 24893), (5456, 22630), (5840, 21142), (6424, 19220), (6820, 18104), (7688, 16060), (8030, 15376), (9052, 13640), (9610, 12848), (10571, 11680), (10912, 11315)]