80742400

素因数分解:

$2^{11}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 213267600

約数和(自身を除く): 132525200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 83, 95, 100, 128, 152, 160, 166, 190, 200, 256, 304, 320, 332, 380, 400, 415, 475, 512, 608, 640, 664, 760, 800, 830, 950, 1024, 1216, 1280, 1328, 1520, 1577, 1600, 1660, 1900, 2048, 2075, 2432, 2560, 2656, 3040, 3154, 3200, 3320, 3800, 4150, 4864, 5120, 5312, 6080, 6308, 6400, 6640, 7600, 7885, 8300, 9728, 10240, 10624, 12160, 12616, 12800, 13280, 15200, 15770, 16600, 19456, 21248, 24320, 25232, 25600, 26560, 30400, 31540, 33200, 38912, 39425, 42496, 48640, 50464, 51200, 53120, 60800, 63080, 66400, 78850, 84992, 97280, 100928, 106240, 121600, 126160, 132800, 157700, 169984, 194560, 201856, 212480, 243200, 252320, 265600, 315400, 403712, 424960, 486400, 504640, 531200, 630800, 807424, 849920, 972800, 1009280, 1062400, 1261600, 1614848, 2018560, 2124800, 2523200, 3229696, 4037120, 4249600, 5046400, 8074240, 10092800, 16148480, 20185600, 40371200, 80742400]

約数ペア:

[(1, 80742400), (2, 40371200), (4, 20185600), (5, 16148480), (8, 10092800), (10, 8074240), (16, 5046400), (19, 4249600), (20, 4037120), (25, 3229696), (32, 2523200), (38, 2124800), (40, 2018560), (50, 1614848), (64, 1261600), (76, 1062400), (80, 1009280), (83, 972800), (95, 849920), (100, 807424), (128, 630800), (152, 531200), (160, 504640), (166, 486400), (190, 424960), (200, 403712), (256, 315400), (304, 265600), (320, 252320), (332, 243200), (380, 212480), (400, 201856), (415, 194560), (475, 169984), (512, 157700), (608, 132800), (640, 126160), (664, 121600), (760, 106240), (800, 100928), (830, 97280), (950, 84992), (1024, 78850), (1216, 66400), (1280, 63080), (1328, 60800), (1520, 53120), (1577, 51200), (1600, 50464), (1660, 48640), (1900, 42496), (2048, 39425), (2075, 38912), (2432, 33200), (2560, 31540), (2656, 30400), (3040, 26560), (3154, 25600), (3200, 25232), (3320, 24320), (3800, 21248), (4150, 19456), (4864, 16600), (5120, 15770), (5312, 15200), (6080, 13280), (6308, 12800), (6400, 12616), (6640, 12160), (7600, 10624), (7885, 10240), (8300, 9728)]