64721904

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 160

約数和(自身を含む): 194987520

約数和(自身を除く): 130265616

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 53, 57, 76, 78, 103, 104, 106, 114, 152, 156, 159, 206, 208, 212, 228, 247, 304, 309, 312, 318, 412, 424, 456, 494, 618, 624, 636, 689, 741, 824, 848, 912, 988, 1007, 1236, 1272, 1339, 1378, 1482, 1648, 1957, 1976, 2014, 2067, 2472, 2544, 2678, 2756, 2964, 3021, 3914, 3952, 4017, 4028, 4134, 4944, 5356, 5459, 5512, 5871, 5928, 6042, 7828, 8034, 8056, 8268, 10712, 10918, 11024, 11742, 11856, 12084, 13091, 15656, 16068, 16112, 16377, 16536, 21424, 21836, 23484, 24168, 25441, 26182, 31312, 32136, 32754, 33072, 39273, 43672, 46968, 48336, 50882, 52364, 64272, 65508, 70967, 76323, 78546, 87344, 93936, 101764, 103721, 104728, 131016, 141934, 152646, 157092, 203528, 207442, 209456, 212901, 262032, 283868, 305292, 311163, 314184, 407056, 414884, 425802, 567736, 610584, 622326, 628368, 829768, 851604, 1135472, 1221168, 1244652, 1348373, 1659536, 1703208, 2489304, 2696746, 3406416, 4045119, 4978608, 5393492, 8090238, 10786984, 16180476, 21573968, 32360952, 64721904]

約数ペア:

[(1, 64721904), (2, 32360952), (3, 21573968), (4, 16180476), (6, 10786984), (8, 8090238), (12, 5393492), (13, 4978608), (16, 4045119), (19, 3406416), (24, 2696746), (26, 2489304), (38, 1703208), (39, 1659536), (48, 1348373), (52, 1244652), (53, 1221168), (57, 1135472), (76, 851604), (78, 829768), (103, 628368), (104, 622326), (106, 610584), (114, 567736), (152, 425802), (156, 414884), (159, 407056), (206, 314184), (208, 311163), (212, 305292), (228, 283868), (247, 262032), (304, 212901), (309, 209456), (312, 207442), (318, 203528), (412, 157092), (424, 152646), (456, 141934), (494, 131016), (618, 104728), (624, 103721), (636, 101764), (689, 93936), (741, 87344), (824, 78546), (848, 76323), (912, 70967), (988, 65508), (1007, 64272), (1236, 52364), (1272, 50882), (1339, 48336), (1378, 46968), (1482, 43672), (1648, 39273), (1957, 33072), (1976, 32754), (2014, 32136), (2067, 31312), (2472, 26182), (2544, 25441), (2678, 24168), (2756, 23484), (2964, 21836), (3021, 21424), (3914, 16536), (3952, 16377), (4017, 16112), (4028, 16068), (4134, 15656), (4944, 13091), (5356, 12084), (5459, 11856), (5512, 11742), (5871, 11024), (5928, 10918), (6042, 10712), (7828, 8268), (8034, 8056)]