66450340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 160030080

約数和(自身を除く): 93579740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 53, 55, 82, 106, 110, 139, 164, 205, 212, 220, 265, 278, 410, 451, 530, 556, 583, 695, 820, 902, 1060, 1166, 1390, 1529, 1804, 2173, 2255, 2332, 2780, 2915, 3058, 4346, 4510, 5699, 5830, 6116, 7367, 7645, 8692, 9020, 10865, 11398, 11660, 14734, 15290, 21730, 22796, 23903, 28495, 29468, 30580, 36835, 43460, 47806, 56990, 62689, 73670, 81037, 95612, 113980, 119515, 125378, 147340, 162074, 239030, 250756, 302047, 313445, 324148, 405185, 478060, 604094, 626890, 810370, 1208188, 1253780, 1510235, 1620740, 3020470, 3322517, 6040940, 6645034, 13290068, 16612585, 33225170, 66450340]

約数ペア:

[(1, 66450340), (2, 33225170), (4, 16612585), (5, 13290068), (10, 6645034), (11, 6040940), (20, 3322517), (22, 3020470), (41, 1620740), (44, 1510235), (53, 1253780), (55, 1208188), (82, 810370), (106, 626890), (110, 604094), (139, 478060), (164, 405185), (205, 324148), (212, 313445), (220, 302047), (265, 250756), (278, 239030), (410, 162074), (451, 147340), (530, 125378), (556, 119515), (583, 113980), (695, 95612), (820, 81037), (902, 73670), (1060, 62689), (1166, 56990), (1390, 47806), (1529, 43460), (1804, 36835), (2173, 30580), (2255, 29468), (2332, 28495), (2780, 23903), (2915, 22796), (3058, 21730), (4346, 15290), (4510, 14734), (5699, 11660), (5830, 11398), (6116, 10865), (7367, 9020), (7645, 8692)]