389919360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{653}}^1$

素因数の和:986

約数の個数: 128

約数和(自身を含む): 1248773760

約数和(自身を除く): 858854400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 311, 320, 384, 480, 622, 640, 653, 933, 960, 1244, 1306, 1555, 1866, 1920, 1959, 2488, 2612, 3110, 3265, 3732, 3918, 4665, 4976, 5224, 6220, 6530, 7464, 7836, 9330, 9795, 9952, 10448, 12440, 13060, 14928, 15672, 18660, 19590, 19904, 20896, 24880, 26120, 29856, 31344, 37320, 39180, 39808, 41792, 49760, 52240, 59712, 62688, 74640, 78360, 83584, 99520, 104480, 119424, 125376, 149280, 156720, 199040, 203083, 208960, 250752, 298560, 313440, 406166, 417920, 597120, 609249, 626880, 812332, 1015415, 1218498, 1253760, 1624664, 2030830, 2436996, 3046245, 3249328, 4061660, 4873992, 6092490, 6498656, 8123320, 9747984, 12184980, 12997312, 16246640, 19495968, 24369960, 25994624, 32493280, 38991936, 48739920, 64986560, 77983872, 97479840, 129973120, 194959680, 389919360]

約数ペア:

[(1, 389919360), (2, 194959680), (3, 129973120), (4, 97479840), (5, 77983872), (6, 64986560), (8, 48739920), (10, 38991936), (12, 32493280), (15, 25994624), (16, 24369960), (20, 19495968), (24, 16246640), (30, 12997312), (32, 12184980), (40, 9747984), (48, 8123320), (60, 6498656), (64, 6092490), (80, 4873992), (96, 4061660), (120, 3249328), (128, 3046245), (160, 2436996), (192, 2030830), (240, 1624664), (311, 1253760), (320, 1218498), (384, 1015415), (480, 812332), (622, 626880), (640, 609249), (653, 597120), (933, 417920), (960, 406166), (1244, 313440), (1306, 298560), (1555, 250752), (1866, 208960), (1920, 203083), (1959, 199040), (2488, 156720), (2612, 149280), (3110, 125376), (3265, 119424), (3732, 104480), (3918, 99520), (4665, 83584), (4976, 78360), (5224, 74640), (6220, 62688), (6530, 59712), (7464, 52240), (7836, 49760), (9330, 41792), (9795, 39808), (9952, 39180), (10448, 37320), (12440, 31344), (13060, 29856), (14928, 26120), (15672, 24880), (18660, 20896), (19590, 19904)]