280007568

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:453

約数の個数: 120

約数和(自身を含む): 805948416

約数和(自身を除く): 525940848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 127, 144, 183, 244, 251, 254, 366, 381, 488, 502, 508, 549, 732, 753, 762, 976, 1004, 1016, 1098, 1143, 1464, 1506, 1524, 2008, 2032, 2196, 2259, 2286, 2928, 3012, 3048, 4016, 4392, 4518, 4572, 6024, 6096, 7747, 8784, 9036, 9144, 12048, 15311, 15494, 18072, 18288, 23241, 30622, 30988, 31877, 36144, 45933, 46482, 61244, 61976, 63754, 69723, 91866, 92964, 95631, 122488, 123952, 127508, 137799, 139446, 183732, 185928, 191262, 244976, 255016, 275598, 278892, 286893, 367464, 371856, 382524, 510032, 551196, 557784, 573786, 734928, 765048, 1102392, 1115568, 1147572, 1530096, 1944497, 2204784, 2295144, 3888994, 4590288, 5833491, 7777988, 11666982, 15555976, 17500473, 23333964, 31111952, 35000946, 46667928, 70001892, 93335856, 140003784, 280007568]

約数ペア:

[(1, 280007568), (2, 140003784), (3, 93335856), (4, 70001892), (6, 46667928), (8, 35000946), (9, 31111952), (12, 23333964), (16, 17500473), (18, 15555976), (24, 11666982), (36, 7777988), (48, 5833491), (61, 4590288), (72, 3888994), (122, 2295144), (127, 2204784), (144, 1944497), (183, 1530096), (244, 1147572), (251, 1115568), (254, 1102392), (366, 765048), (381, 734928), (488, 573786), (502, 557784), (508, 551196), (549, 510032), (732, 382524), (753, 371856), (762, 367464), (976, 286893), (1004, 278892), (1016, 275598), (1098, 255016), (1143, 244976), (1464, 191262), (1506, 185928), (1524, 183732), (2008, 139446), (2032, 137799), (2196, 127508), (2259, 123952), (2286, 122488), (2928, 95631), (3012, 92964), (3048, 91866), (4016, 69723), (4392, 63754), (4518, 61976), (4572, 61244), (6024, 46482), (6096, 45933), (7747, 36144), (8784, 31877), (9036, 30988), (9144, 30622), (12048, 23241), (15311, 18288), (15494, 18072)]