216971880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:783

約数の個数: 128

約数和(自身を含む): 685670400

約数和(自身を除く): 468698520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 127, 138, 184, 230, 254, 276, 345, 381, 460, 508, 552, 619, 635, 690, 762, 920, 1016, 1238, 1270, 1380, 1524, 1857, 1905, 2476, 2540, 2760, 2921, 3048, 3095, 3714, 3810, 4952, 5080, 5842, 6190, 7428, 7620, 8763, 9285, 11684, 12380, 14237, 14605, 14856, 15240, 17526, 18570, 23368, 24760, 28474, 29210, 35052, 37140, 42711, 43815, 56948, 58420, 70104, 71185, 74280, 78613, 85422, 87630, 113896, 116840, 142370, 157226, 170844, 175260, 213555, 235839, 284740, 314452, 341688, 350520, 393065, 427110, 471678, 569480, 628904, 786130, 854220, 943356, 1179195, 1572260, 1708440, 1808099, 1886712, 2358390, 3144520, 3616198, 4716780, 5424297, 7232396, 9040495, 9433560, 10848594, 14464792, 18080990, 21697188, 27121485, 36161980, 43394376, 54242970, 72323960, 108485940, 216971880]

約数ペア:

[(1, 216971880), (2, 108485940), (3, 72323960), (4, 54242970), (5, 43394376), (6, 36161980), (8, 27121485), (10, 21697188), (12, 18080990), (15, 14464792), (20, 10848594), (23, 9433560), (24, 9040495), (30, 7232396), (40, 5424297), (46, 4716780), (60, 3616198), (69, 3144520), (92, 2358390), (115, 1886712), (120, 1808099), (127, 1708440), (138, 1572260), (184, 1179195), (230, 943356), (254, 854220), (276, 786130), (345, 628904), (381, 569480), (460, 471678), (508, 427110), (552, 393065), (619, 350520), (635, 341688), (690, 314452), (762, 284740), (920, 235839), (1016, 213555), (1238, 175260), (1270, 170844), (1380, 157226), (1524, 142370), (1857, 116840), (1905, 113896), (2476, 87630), (2540, 85422), (2760, 78613), (2921, 74280), (3048, 71185), (3095, 70104), (3714, 58420), (3810, 56948), (4952, 43815), (5080, 42711), (5842, 37140), (6190, 35052), (7428, 29210), (7620, 28474), (8763, 24760), (9285, 23368), (11684, 18570), (12380, 17526), (14237, 15240), (14605, 14856)]