81313248

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 223534080

約数和(自身を除く): 142220832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 89, 93, 96, 124, 178, 186, 248, 267, 307, 356, 372, 496, 534, 614, 712, 744, 921, 992, 1068, 1228, 1424, 1488, 1842, 2136, 2456, 2759, 2848, 2976, 3684, 4272, 4912, 5518, 7368, 8277, 8544, 9517, 9824, 11036, 14736, 16554, 19034, 22072, 27323, 28551, 29472, 33108, 38068, 44144, 54646, 57102, 66216, 76136, 81969, 88288, 109292, 114204, 132432, 152272, 163938, 218584, 228408, 264864, 304544, 327876, 437168, 456816, 655752, 847013, 874336, 913632, 1311504, 1694026, 2541039, 2623008, 3388052, 5082078, 6776104, 10164156, 13552208, 20328312, 27104416, 40656624, 81313248]

約数ペア:

[(1, 81313248), (2, 40656624), (3, 27104416), (4, 20328312), (6, 13552208), (8, 10164156), (12, 6776104), (16, 5082078), (24, 3388052), (31, 2623008), (32, 2541039), (48, 1694026), (62, 1311504), (89, 913632), (93, 874336), (96, 847013), (124, 655752), (178, 456816), (186, 437168), (248, 327876), (267, 304544), (307, 264864), (356, 228408), (372, 218584), (496, 163938), (534, 152272), (614, 132432), (712, 114204), (744, 109292), (921, 88288), (992, 81969), (1068, 76136), (1228, 66216), (1424, 57102), (1488, 54646), (1842, 44144), (2136, 38068), (2456, 33108), (2759, 29472), (2848, 28551), (2976, 27323), (3684, 22072), (4272, 19034), (4912, 16554), (5518, 14736), (7368, 11036), (8277, 9824), (8544, 9517)]