81976968

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:636

約数の個数: 128

約数和(自身を含む): 246240000

約数和(自身を除く): 164263032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 29, 36, 46, 54, 58, 69, 72, 87, 92, 108, 116, 138, 174, 184, 207, 216, 232, 261, 276, 348, 414, 522, 552, 569, 621, 667, 696, 783, 828, 1044, 1138, 1242, 1334, 1566, 1656, 1707, 2001, 2088, 2276, 2484, 2668, 3132, 3414, 4002, 4552, 4968, 5121, 5336, 6003, 6264, 6828, 8004, 10242, 12006, 13087, 13656, 15363, 16008, 16501, 18009, 20484, 24012, 26174, 30726, 33002, 36018, 39261, 40968, 48024, 49503, 52348, 61452, 66004, 72036, 78522, 99006, 104696, 117783, 122904, 132008, 144072, 148509, 157044, 198012, 235566, 297018, 314088, 353349, 379523, 396024, 445527, 471132, 594036, 706698, 759046, 891054, 942264, 1138569, 1188072, 1413396, 1518092, 1782108, 2277138, 2826792, 3036184, 3415707, 3564216, 4554276, 6831414, 9108552, 10247121, 13662828, 20494242, 27325656, 40988484, 81976968]

約数ペア:

[(1, 81976968), (2, 40988484), (3, 27325656), (4, 20494242), (6, 13662828), (8, 10247121), (9, 9108552), (12, 6831414), (18, 4554276), (23, 3564216), (24, 3415707), (27, 3036184), (29, 2826792), (36, 2277138), (46, 1782108), (54, 1518092), (58, 1413396), (69, 1188072), (72, 1138569), (87, 942264), (92, 891054), (108, 759046), (116, 706698), (138, 594036), (174, 471132), (184, 445527), (207, 396024), (216, 379523), (232, 353349), (261, 314088), (276, 297018), (348, 235566), (414, 198012), (522, 157044), (552, 148509), (569, 144072), (621, 132008), (667, 122904), (696, 117783), (783, 104696), (828, 99006), (1044, 78522), (1138, 72036), (1242, 66004), (1334, 61452), (1566, 52348), (1656, 49503), (1707, 48024), (2001, 40968), (2088, 39261), (2276, 36018), (2484, 33002), (2668, 30726), (3132, 26174), (3414, 24012), (4002, 20484), (4552, 18009), (4968, 16501), (5121, 16008), (5336, 15363), (6003, 13656), (6264, 13087), (6828, 12006), (8004, 10242)]