164613760

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 420370560

約数和(自身を除く): 255756800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 53, 64, 80, 92, 106, 115, 128, 160, 184, 211, 212, 230, 265, 320, 368, 422, 424, 460, 530, 640, 736, 844, 848, 920, 1055, 1060, 1219, 1472, 1688, 1696, 1840, 2110, 2120, 2438, 2944, 3376, 3392, 3680, 4220, 4240, 4853, 4876, 6095, 6752, 6784, 7360, 8440, 8480, 9706, 9752, 11183, 12190, 13504, 14720, 16880, 16960, 19412, 19504, 22366, 24265, 24380, 27008, 33760, 33920, 38824, 39008, 44732, 48530, 48760, 55915, 67520, 77648, 78016, 89464, 97060, 97520, 111830, 135040, 155296, 156032, 178928, 194120, 195040, 223660, 257209, 310592, 357856, 388240, 390080, 447320, 514418, 621184, 715712, 776480, 780160, 894640, 1028836, 1286045, 1431424, 1552960, 1789280, 2057672, 2572090, 3105920, 3578560, 4115344, 5144180, 7157120, 8230688, 10288360, 16461376, 20576720, 32922752, 41153440, 82306880, 164613760]

約数ペア:

[(1, 164613760), (2, 82306880), (4, 41153440), (5, 32922752), (8, 20576720), (10, 16461376), (16, 10288360), (20, 8230688), (23, 7157120), (32, 5144180), (40, 4115344), (46, 3578560), (53, 3105920), (64, 2572090), (80, 2057672), (92, 1789280), (106, 1552960), (115, 1431424), (128, 1286045), (160, 1028836), (184, 894640), (211, 780160), (212, 776480), (230, 715712), (265, 621184), (320, 514418), (368, 447320), (422, 390080), (424, 388240), (460, 357856), (530, 310592), (640, 257209), (736, 223660), (844, 195040), (848, 194120), (920, 178928), (1055, 156032), (1060, 155296), (1219, 135040), (1472, 111830), (1688, 97520), (1696, 97060), (1840, 89464), (2110, 78016), (2120, 77648), (2438, 67520), (2944, 55915), (3376, 48760), (3392, 48530), (3680, 44732), (4220, 39008), (4240, 38824), (4853, 33920), (4876, 33760), (6095, 27008), (6752, 24380), (6784, 24265), (7360, 22366), (8440, 19504), (8480, 19412), (9706, 16960), (9752, 16880), (11183, 14720), (12190, 13504)]