81776000

素因数分解:

$2^7\times 5^3\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 214812000

約数和(自身を除く): 133036000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 128, 152, 160, 190, 200, 250, 269, 304, 320, 380, 400, 475, 500, 538, 608, 640, 760, 800, 950, 1000, 1076, 1216, 1345, 1520, 1600, 1900, 2000, 2152, 2375, 2432, 2690, 3040, 3200, 3800, 4000, 4304, 4750, 5111, 5380, 6080, 6725, 7600, 8000, 8608, 9500, 10222, 10760, 12160, 13450, 15200, 16000, 17216, 19000, 20444, 21520, 25555, 26900, 30400, 33625, 34432, 38000, 40888, 43040, 51110, 53800, 60800, 67250, 76000, 81776, 86080, 102220, 107600, 127775, 134500, 152000, 163552, 172160, 204440, 215200, 255550, 269000, 304000, 327104, 408880, 430400, 511100, 538000, 638875, 654208, 817760, 860800, 1022200, 1076000, 1277750, 1635520, 2044400, 2152000, 2555500, 3271040, 4088800, 4304000, 5111000, 8177600, 10222000, 16355200, 20444000, 40888000, 81776000]

約数ペア:

[(1, 81776000), (2, 40888000), (4, 20444000), (5, 16355200), (8, 10222000), (10, 8177600), (16, 5111000), (19, 4304000), (20, 4088800), (25, 3271040), (32, 2555500), (38, 2152000), (40, 2044400), (50, 1635520), (64, 1277750), (76, 1076000), (80, 1022200), (95, 860800), (100, 817760), (125, 654208), (128, 638875), (152, 538000), (160, 511100), (190, 430400), (200, 408880), (250, 327104), (269, 304000), (304, 269000), (320, 255550), (380, 215200), (400, 204440), (475, 172160), (500, 163552), (538, 152000), (608, 134500), (640, 127775), (760, 107600), (800, 102220), (950, 86080), (1000, 81776), (1076, 76000), (1216, 67250), (1345, 60800), (1520, 53800), (1600, 51110), (1900, 43040), (2000, 40888), (2152, 38000), (2375, 34432), (2432, 33625), (2690, 30400), (3040, 26900), (3200, 25555), (3800, 21520), (4000, 20444), (4304, 19000), (4750, 17216), (5111, 16000), (5380, 15200), (6080, 13450), (6725, 12160), (7600, 10760), (8000, 10222), (8608, 9500)]