20540160

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1783}}^1$

素因数の和:1810

約数の個数: 108

約数和(自身を含む): 71106672

約数和(自身を除く): 50566512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1783, 1920, 2304, 2880, 3566, 3840, 5349, 5760, 7132, 8915, 10698, 11520, 14264, 16047, 17830, 21396, 26745, 28528, 32094, 35660, 42792, 53490, 57056, 64188, 71320, 80235, 85584, 106980, 114112, 128376, 142640, 160470, 171168, 213960, 228224, 256752, 285280, 320940, 342336, 427920, 456448, 513504, 570560, 641880, 684672, 855840, 1027008, 1141120, 1283760, 1369344, 1711680, 2054016, 2282240, 2567520, 3423360, 4108032, 5135040, 6846720, 10270080, 20540160]

約数ペア:

[(1, 20540160), (2, 10270080), (3, 6846720), (4, 5135040), (5, 4108032), (6, 3423360), (8, 2567520), (9, 2282240), (10, 2054016), (12, 1711680), (15, 1369344), (16, 1283760), (18, 1141120), (20, 1027008), (24, 855840), (30, 684672), (32, 641880), (36, 570560), (40, 513504), (45, 456448), (48, 427920), (60, 342336), (64, 320940), (72, 285280), (80, 256752), (90, 228224), (96, 213960), (120, 171168), (128, 160470), (144, 142640), (160, 128376), (180, 114112), (192, 106980), (240, 85584), (256, 80235), (288, 71320), (320, 64188), (360, 57056), (384, 53490), (480, 42792), (576, 35660), (640, 32094), (720, 28528), (768, 26745), (960, 21396), (1152, 17830), (1280, 16047), (1440, 14264), (1783, 11520), (1920, 10698), (2304, 8915), (2880, 7132), (3566, 5760), (3840, 5349)]