72290240

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1867}}^1$

素因数の和:1906

約数の個数: 84

約数和(自身を含む): 189314328

約数和(自身を除く): 117024088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1760, 1867, 1936, 2420, 3520, 3734, 3872, 4840, 7468, 7744, 9335, 9680, 14936, 18670, 19360, 20537, 29872, 37340, 38720, 41074, 59744, 74680, 82148, 102685, 119488, 149360, 164296, 205370, 225907, 298720, 328592, 410740, 451814, 597440, 657184, 821480, 903628, 1129535, 1314368, 1642960, 1807256, 2259070, 3285920, 3614512, 4518140, 6571840, 7229024, 9036280, 14458048, 18072560, 36145120, 72290240]

約数ペア:

[(1, 72290240), (2, 36145120), (4, 18072560), (5, 14458048), (8, 9036280), (10, 7229024), (11, 6571840), (16, 4518140), (20, 3614512), (22, 3285920), (32, 2259070), (40, 1807256), (44, 1642960), (55, 1314368), (64, 1129535), (80, 903628), (88, 821480), (110, 657184), (121, 597440), (160, 451814), (176, 410740), (220, 328592), (242, 298720), (320, 225907), (352, 205370), (440, 164296), (484, 149360), (605, 119488), (704, 102685), (880, 82148), (968, 74680), (1210, 59744), (1760, 41074), (1867, 38720), (1936, 37340), (2420, 29872), (3520, 20537), (3734, 19360), (3872, 18670), (4840, 14936), (7468, 9680), (7744, 9335)]