289497240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:671

約数の個数: 160

約数和(自身を含む): 980100000

約数和(自身を除く): 690602760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 199, 216, 270, 324, 360, 398, 405, 449, 540, 597, 648, 796, 810, 898, 995, 1080, 1194, 1347, 1592, 1620, 1791, 1796, 1990, 2245, 2388, 2694, 2985, 3240, 3582, 3592, 3980, 4041, 4490, 4776, 5373, 5388, 5970, 6735, 7164, 7960, 8082, 8955, 8980, 10746, 10776, 11940, 12123, 13470, 14328, 16119, 16164, 17910, 17960, 20205, 21492, 23880, 24246, 26865, 26940, 32238, 32328, 35820, 36369, 40410, 42984, 48492, 53730, 53880, 60615, 64476, 71640, 72738, 80595, 80820, 89351, 96984, 107460, 121230, 128952, 145476, 161190, 161640, 178702, 181845, 214920, 242460, 268053, 290952, 322380, 357404, 363690, 446755, 484920, 536106, 644760, 714808, 727380, 804159, 893510, 1072212, 1340265, 1454760, 1608318, 1787020, 2144424, 2412477, 2680530, 3216636, 3574040, 4020795, 4824954, 5361060, 6433272, 7237431, 8041590, 9649908, 10722120, 12062385, 14474862, 16083180, 19299816, 24124770, 28949724, 32166360, 36187155, 48249540, 57899448, 72374310, 96499080, 144748620, 289497240]

約数ペア:

[(1, 289497240), (2, 144748620), (3, 96499080), (4, 72374310), (5, 57899448), (6, 48249540), (8, 36187155), (9, 32166360), (10, 28949724), (12, 24124770), (15, 19299816), (18, 16083180), (20, 14474862), (24, 12062385), (27, 10722120), (30, 9649908), (36, 8041590), (40, 7237431), (45, 6433272), (54, 5361060), (60, 4824954), (72, 4020795), (81, 3574040), (90, 3216636), (108, 2680530), (120, 2412477), (135, 2144424), (162, 1787020), (180, 1608318), (199, 1454760), (216, 1340265), (270, 1072212), (324, 893510), (360, 804159), (398, 727380), (405, 714808), (449, 644760), (540, 536106), (597, 484920), (648, 446755), (796, 363690), (810, 357404), (898, 322380), (995, 290952), (1080, 268053), (1194, 242460), (1347, 214920), (1592, 181845), (1620, 178702), (1791, 161640), (1796, 161190), (1990, 145476), (2245, 128952), (2388, 121230), (2694, 107460), (2985, 96984), (3240, 89351), (3582, 80820), (3592, 80595), (3980, 72738), (4041, 71640), (4490, 64476), (4776, 60615), (5373, 53880), (5388, 53730), (5970, 48492), (6735, 42984), (7164, 40410), (7960, 36369), (8082, 35820), (8955, 32328), (8980, 32238), (10746, 26940), (10776, 26865), (11940, 24246), (12123, 23880), (13470, 21492), (14328, 20205), (16119, 17960), (16164, 17910)]