128405550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:467

約数の個数: 192

約数和(自身を含む): 409973760

約数和(自身を除く): 281568210

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 23, 25, 26, 30, 35, 39, 42, 46, 50, 65, 69, 70, 75, 78, 91, 105, 115, 130, 138, 150, 161, 175, 182, 195, 210, 230, 273, 299, 322, 325, 345, 350, 390, 409, 455, 483, 525, 546, 575, 598, 650, 690, 805, 818, 897, 910, 966, 975, 1050, 1150, 1227, 1365, 1495, 1610, 1725, 1794, 1950, 2045, 2093, 2275, 2415, 2454, 2730, 2863, 2990, 3450, 4025, 4090, 4186, 4485, 4550, 4830, 5317, 5726, 6135, 6279, 6825, 7475, 8050, 8589, 8970, 9407, 10225, 10465, 10634, 12075, 12270, 12558, 13650, 14315, 14950, 15951, 17178, 18814, 20450, 20930, 22425, 24150, 26585, 28221, 28630, 30675, 31395, 31902, 37219, 42945, 44850, 47035, 52325, 53170, 56442, 61350, 62790, 65849, 71575, 74438, 79755, 85890, 94070, 104650, 111657, 122291, 131698, 132925, 141105, 143150, 156975, 159510, 186095, 197547, 214725, 223314, 235175, 244582, 265850, 282210, 313950, 329245, 366873, 372190, 395094, 398775, 429450, 470350, 558285, 611455, 658490, 705525, 733746, 797550, 856037, 930475, 987735, 1116570, 1222910, 1411050, 1646225, 1712074, 1834365, 1860950, 1975470, 2568111, 2791425, 3057275, 3292450, 3668730, 4280185, 4938675, 5136222, 5582850, 6114550, 8560370, 9171825, 9877350, 12840555, 18343650, 21400925, 25681110, 42801850, 64202775, 128405550]

約数ペア:

[(1, 128405550), (2, 64202775), (3, 42801850), (5, 25681110), (6, 21400925), (7, 18343650), (10, 12840555), (13, 9877350), (14, 9171825), (15, 8560370), (21, 6114550), (23, 5582850), (25, 5136222), (26, 4938675), (30, 4280185), (35, 3668730), (39, 3292450), (42, 3057275), (46, 2791425), (50, 2568111), (65, 1975470), (69, 1860950), (70, 1834365), (75, 1712074), (78, 1646225), (91, 1411050), (105, 1222910), (115, 1116570), (130, 987735), (138, 930475), (150, 856037), (161, 797550), (175, 733746), (182, 705525), (195, 658490), (210, 611455), (230, 558285), (273, 470350), (299, 429450), (322, 398775), (325, 395094), (345, 372190), (350, 366873), (390, 329245), (409, 313950), (455, 282210), (483, 265850), (525, 244582), (546, 235175), (575, 223314), (598, 214725), (650, 197547), (690, 186095), (805, 159510), (818, 156975), (897, 143150), (910, 141105), (966, 132925), (975, 131698), (1050, 122291), (1150, 111657), (1227, 104650), (1365, 94070), (1495, 85890), (1610, 79755), (1725, 74438), (1794, 71575), (1950, 65849), (2045, 62790), (2093, 61350), (2275, 56442), (2415, 53170), (2454, 52325), (2730, 47035), (2863, 44850), (2990, 42945), (3450, 37219), (4025, 31902), (4090, 31395), (4186, 30675), (4485, 28630), (4550, 28221), (4830, 26585), (5317, 24150), (5726, 22425), (6135, 20930), (6279, 20450), (6825, 18814), (7475, 17178), (8050, 15951), (8589, 14950), (8970, 14315), (9407, 13650), (10225, 12558), (10465, 12270), (10634, 12075)]