87638280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 277758720

約数和(自身を除く): 190120440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 113, 115, 120, 138, 184, 226, 230, 276, 281, 339, 345, 452, 460, 552, 562, 565, 678, 690, 843, 904, 920, 1124, 1130, 1356, 1380, 1405, 1686, 1695, 2248, 2260, 2599, 2712, 2760, 2810, 3372, 3390, 4215, 4520, 5198, 5620, 6463, 6744, 6780, 7797, 8430, 10396, 11240, 12926, 12995, 13560, 15594, 16860, 19389, 20792, 25852, 25990, 31188, 31753, 32315, 33720, 38778, 38985, 51704, 51980, 62376, 63506, 64630, 77556, 77970, 95259, 96945, 103960, 127012, 129260, 155112, 155940, 158765, 190518, 193890, 254024, 258520, 311880, 317530, 381036, 387780, 476295, 635060, 730319, 762072, 775560, 952590, 1270120, 1460638, 1905180, 2190957, 2921276, 3651595, 3810360, 4381914, 5842552, 7303190, 8763828, 10954785, 14606380, 17527656, 21909570, 29212760, 43819140, 87638280]

約数ペア:

[(1, 87638280), (2, 43819140), (3, 29212760), (4, 21909570), (5, 17527656), (6, 14606380), (8, 10954785), (10, 8763828), (12, 7303190), (15, 5842552), (20, 4381914), (23, 3810360), (24, 3651595), (30, 2921276), (40, 2190957), (46, 1905180), (60, 1460638), (69, 1270120), (92, 952590), (113, 775560), (115, 762072), (120, 730319), (138, 635060), (184, 476295), (226, 387780), (230, 381036), (276, 317530), (281, 311880), (339, 258520), (345, 254024), (452, 193890), (460, 190518), (552, 158765), (562, 155940), (565, 155112), (678, 129260), (690, 127012), (843, 103960), (904, 96945), (920, 95259), (1124, 77970), (1130, 77556), (1356, 64630), (1380, 63506), (1405, 62376), (1686, 51980), (1695, 51704), (2248, 38985), (2260, 38778), (2599, 33720), (2712, 32315), (2760, 31753), (2810, 31188), (3372, 25990), (3390, 25852), (4215, 20792), (4520, 19389), (5198, 16860), (5620, 15594), (6463, 13560), (6744, 12995), (6780, 12926), (7797, 11240), (8430, 10396)]