261646416

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:414

約数の個数: 160

約数和(自身を含む): 799948800

約数和(自身を除く): 538302384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 127, 144, 152, 171, 216, 228, 251, 254, 304, 342, 381, 432, 456, 502, 508, 513, 684, 753, 762, 912, 1004, 1016, 1026, 1143, 1368, 1506, 1524, 2008, 2032, 2052, 2259, 2286, 2413, 2736, 3012, 3048, 3429, 4016, 4104, 4518, 4572, 4769, 4826, 6024, 6096, 6777, 6858, 7239, 8208, 9036, 9144, 9538, 9652, 12048, 13554, 13716, 14307, 14478, 18072, 18288, 19076, 19304, 21717, 27108, 27432, 28614, 28956, 31877, 36144, 38152, 38608, 42921, 43434, 54216, 54864, 57228, 57912, 63754, 65151, 76304, 85842, 86868, 95631, 108432, 114456, 115824, 127508, 128763, 130302, 171684, 173736, 191262, 228912, 255016, 257526, 260604, 286893, 343368, 347472, 382524, 510032, 515052, 521208, 573786, 605663, 686736, 765048, 860679, 1030104, 1042416, 1147572, 1211326, 1530096, 1721358, 1816989, 2060208, 2295144, 2422652, 3442716, 3633978, 4590288, 4845304, 5450967, 6885432, 7267956, 9690608, 10901934, 13770864, 14535912, 16352901, 21803868, 29071824, 32705802, 43607736, 65411604, 87215472, 130823208, 261646416]

約数ペア:

[(1, 261646416), (2, 130823208), (3, 87215472), (4, 65411604), (6, 43607736), (8, 32705802), (9, 29071824), (12, 21803868), (16, 16352901), (18, 14535912), (19, 13770864), (24, 10901934), (27, 9690608), (36, 7267956), (38, 6885432), (48, 5450967), (54, 4845304), (57, 4590288), (72, 3633978), (76, 3442716), (108, 2422652), (114, 2295144), (127, 2060208), (144, 1816989), (152, 1721358), (171, 1530096), (216, 1211326), (228, 1147572), (251, 1042416), (254, 1030104), (304, 860679), (342, 765048), (381, 686736), (432, 605663), (456, 573786), (502, 521208), (508, 515052), (513, 510032), (684, 382524), (753, 347472), (762, 343368), (912, 286893), (1004, 260604), (1016, 257526), (1026, 255016), (1143, 228912), (1368, 191262), (1506, 173736), (1524, 171684), (2008, 130302), (2032, 128763), (2052, 127508), (2259, 115824), (2286, 114456), (2413, 108432), (2736, 95631), (3012, 86868), (3048, 85842), (3429, 76304), (4016, 65151), (4104, 63754), (4518, 57912), (4572, 57228), (4769, 54864), (4826, 54216), (6024, 43434), (6096, 42921), (6777, 38608), (6858, 38152), (7239, 36144), (8208, 31877), (9036, 28956), (9144, 28614), (9538, 27432), (9652, 27108), (12048, 21717), (13554, 19304), (13716, 19076), (14307, 18288), (14478, 18072)]