161969600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^2\times {\mathrm{599}}^1$

素因数の和:647

約数の個数: 126

約数和(自身を含む): 432282600

約数和(自身を除く): 270313000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 169, 200, 208, 260, 320, 325, 338, 400, 416, 520, 599, 650, 676, 800, 832, 845, 1040, 1198, 1300, 1352, 1600, 1690, 2080, 2396, 2600, 2704, 2995, 3380, 4160, 4225, 4792, 5200, 5408, 5990, 6760, 7787, 8450, 9584, 10400, 10816, 11980, 13520, 14975, 15574, 16900, 19168, 20800, 23960, 27040, 29950, 31148, 33800, 38336, 38935, 47920, 54080, 59900, 62296, 67600, 77870, 95840, 101231, 119800, 124592, 135200, 155740, 191680, 194675, 202462, 239600, 249184, 270400, 311480, 389350, 404924, 479200, 498368, 506155, 622960, 778700, 809848, 958400, 1012310, 1245920, 1557400, 1619696, 2024620, 2491840, 2530775, 3114800, 3239392, 4049240, 5061550, 6229600, 6478784, 8098480, 10123100, 12459200, 16196960, 20246200, 32393920, 40492400, 80984800, 161969600]

約数ペア:

[(1, 161969600), (2, 80984800), (4, 40492400), (5, 32393920), (8, 20246200), (10, 16196960), (13, 12459200), (16, 10123100), (20, 8098480), (25, 6478784), (26, 6229600), (32, 5061550), (40, 4049240), (50, 3239392), (52, 3114800), (64, 2530775), (65, 2491840), (80, 2024620), (100, 1619696), (104, 1557400), (130, 1245920), (160, 1012310), (169, 958400), (200, 809848), (208, 778700), (260, 622960), (320, 506155), (325, 498368), (338, 479200), (400, 404924), (416, 389350), (520, 311480), (599, 270400), (650, 249184), (676, 239600), (800, 202462), (832, 194675), (845, 191680), (1040, 155740), (1198, 135200), (1300, 124592), (1352, 119800), (1600, 101231), (1690, 95840), (2080, 77870), (2396, 67600), (2600, 62296), (2704, 59900), (2995, 54080), (3380, 47920), (4160, 38935), (4225, 38336), (4792, 33800), (5200, 31148), (5408, 29950), (5990, 27040), (6760, 23960), (7787, 20800), (8450, 19168), (9584, 16900), (10400, 15574), (10816, 14975), (11980, 13520)]