81136000

素因数分解:

$2^7\times 5^3\times {\mathrm{11}}^1\times {\mathrm{461}}^1$

素因数の和:501

約数の個数: 128

約数和(自身を含む): 220540320

約数和(自身を除く): 139404320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 128, 160, 176, 200, 220, 250, 275, 320, 352, 400, 440, 461, 500, 550, 640, 704, 800, 880, 922, 1000, 1100, 1375, 1408, 1600, 1760, 1844, 2000, 2200, 2305, 2750, 3200, 3520, 3688, 4000, 4400, 4610, 5071, 5500, 7040, 7376, 8000, 8800, 9220, 10142, 11000, 11525, 14752, 16000, 17600, 18440, 20284, 22000, 23050, 25355, 29504, 35200, 36880, 40568, 44000, 46100, 50710, 57625, 59008, 73760, 81136, 88000, 92200, 101420, 115250, 126775, 147520, 162272, 176000, 184400, 202840, 230500, 253550, 295040, 324544, 368800, 405680, 461000, 507100, 633875, 649088, 737600, 811360, 922000, 1014200, 1267750, 1475200, 1622720, 1844000, 2028400, 2535500, 3245440, 3688000, 4056800, 5071000, 7376000, 8113600, 10142000, 16227200, 20284000, 40568000, 81136000]

約数ペア:

[(1, 81136000), (2, 40568000), (4, 20284000), (5, 16227200), (8, 10142000), (10, 8113600), (11, 7376000), (16, 5071000), (20, 4056800), (22, 3688000), (25, 3245440), (32, 2535500), (40, 2028400), (44, 1844000), (50, 1622720), (55, 1475200), (64, 1267750), (80, 1014200), (88, 922000), (100, 811360), (110, 737600), (125, 649088), (128, 633875), (160, 507100), (176, 461000), (200, 405680), (220, 368800), (250, 324544), (275, 295040), (320, 253550), (352, 230500), (400, 202840), (440, 184400), (461, 176000), (500, 162272), (550, 147520), (640, 126775), (704, 115250), (800, 101420), (880, 92200), (922, 88000), (1000, 81136), (1100, 73760), (1375, 59008), (1408, 57625), (1600, 50710), (1760, 46100), (1844, 44000), (2000, 40568), (2200, 36880), (2305, 35200), (2750, 29504), (3200, 25355), (3520, 23050), (3688, 22000), (4000, 20284), (4400, 18440), (4610, 17600), (5071, 16000), (5500, 14752), (7040, 11525), (7376, 11000), (8000, 10142), (8800, 9220)]