81330336

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 247665600

約数和(自身を除く): 166335264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 89, 96, 114, 144, 152, 167, 171, 178, 228, 267, 288, 304, 334, 342, 356, 456, 501, 534, 608, 668, 684, 712, 801, 912, 1002, 1068, 1336, 1368, 1424, 1503, 1602, 1691, 1824, 2004, 2136, 2672, 2736, 2848, 3006, 3173, 3204, 3382, 4008, 4272, 5073, 5344, 5472, 6012, 6346, 6408, 6764, 8016, 8544, 9519, 10146, 12024, 12692, 12816, 13528, 14863, 15219, 16032, 19038, 20292, 24048, 25384, 25632, 27056, 28557, 29726, 30438, 38076, 40584, 44589, 48096, 50768, 54112, 57114, 59452, 60876, 76152, 81168, 89178, 101536, 114228, 118904, 121752, 133767, 152304, 162336, 178356, 228456, 237808, 243504, 267534, 282397, 304608, 356712, 456912, 475616, 487008, 535068, 564794, 713424, 847191, 913824, 1070136, 1129588, 1426848, 1694382, 2140272, 2259176, 2541573, 3388764, 4280544, 4518352, 5083146, 6777528, 9036704, 10166292, 13555056, 20332584, 27110112, 40665168, 81330336]

約数ペア:

[(1, 81330336), (2, 40665168), (3, 27110112), (4, 20332584), (6, 13555056), (8, 10166292), (9, 9036704), (12, 6777528), (16, 5083146), (18, 4518352), (19, 4280544), (24, 3388764), (32, 2541573), (36, 2259176), (38, 2140272), (48, 1694382), (57, 1426848), (72, 1129588), (76, 1070136), (89, 913824), (96, 847191), (114, 713424), (144, 564794), (152, 535068), (167, 487008), (171, 475616), (178, 456912), (228, 356712), (267, 304608), (288, 282397), (304, 267534), (334, 243504), (342, 237808), (356, 228456), (456, 178356), (501, 162336), (534, 152304), (608, 133767), (668, 121752), (684, 118904), (712, 114228), (801, 101536), (912, 89178), (1002, 81168), (1068, 76152), (1336, 60876), (1368, 59452), (1424, 57114), (1503, 54112), (1602, 50768), (1691, 48096), (1824, 44589), (2004, 40584), (2136, 38076), (2672, 30438), (2736, 29726), (2848, 28557), (3006, 27056), (3173, 25632), (3204, 25384), (3382, 24048), (4008, 20292), (4272, 19038), (5073, 16032), (5344, 15219), (5472, 14863), (6012, 13528), (6346, 12816), (6408, 12692), (6764, 12024), (8016, 10146), (8544, 9519)]