81604600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{757}}^1$

素因数の和:798

約数の個数: 144

約数和(自身を含む): 241089480

約数和(自身を除く): 159484880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 88, 98, 100, 110, 140, 154, 175, 196, 200, 220, 245, 275, 280, 308, 350, 385, 392, 440, 490, 539, 550, 616, 700, 757, 770, 980, 1078, 1100, 1225, 1400, 1514, 1540, 1925, 1960, 2156, 2200, 2450, 2695, 3028, 3080, 3785, 3850, 4312, 4900, 5299, 5390, 6056, 7570, 7700, 8327, 9800, 10598, 10780, 13475, 15140, 15400, 16654, 18925, 21196, 21560, 26495, 26950, 30280, 33308, 37093, 37850, 41635, 42392, 52990, 53900, 58289, 66616, 74186, 75700, 83270, 105980, 107800, 116578, 132475, 148372, 151400, 166540, 185465, 208175, 211960, 233156, 264950, 291445, 296744, 333080, 370930, 408023, 416350, 466312, 529900, 582890, 741860, 816046, 832700, 927325, 1059800, 1165780, 1457225, 1483720, 1632092, 1665400, 1854650, 2040115, 2331560, 2914450, 3264184, 3709300, 4080230, 5828900, 7418600, 8160460, 10200575, 11657800, 16320920, 20401150, 40802300, 81604600]

約数ペア:

[(1, 81604600), (2, 40802300), (4, 20401150), (5, 16320920), (7, 11657800), (8, 10200575), (10, 8160460), (11, 7418600), (14, 5828900), (20, 4080230), (22, 3709300), (25, 3264184), (28, 2914450), (35, 2331560), (40, 2040115), (44, 1854650), (49, 1665400), (50, 1632092), (55, 1483720), (56, 1457225), (70, 1165780), (77, 1059800), (88, 927325), (98, 832700), (100, 816046), (110, 741860), (140, 582890), (154, 529900), (175, 466312), (196, 416350), (200, 408023), (220, 370930), (245, 333080), (275, 296744), (280, 291445), (308, 264950), (350, 233156), (385, 211960), (392, 208175), (440, 185465), (490, 166540), (539, 151400), (550, 148372), (616, 132475), (700, 116578), (757, 107800), (770, 105980), (980, 83270), (1078, 75700), (1100, 74186), (1225, 66616), (1400, 58289), (1514, 53900), (1540, 52990), (1925, 42392), (1960, 41635), (2156, 37850), (2200, 37093), (2450, 33308), (2695, 30280), (3028, 26950), (3080, 26495), (3785, 21560), (3850, 21196), (4312, 18925), (4900, 16654), (5299, 15400), (5390, 15140), (6056, 13475), (7570, 10780), (7700, 10598), (8327, 9800)]