20830080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:612

約数の個数: 128

約数和(自身を含む): 70012800

約数和(自身を除く): 49182720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 570, 571, 608, 640, 760, 912, 960, 1140, 1142, 1216, 1520, 1713, 1824, 1920, 2280, 2284, 2432, 2855, 3040, 3426, 3648, 4560, 4568, 5710, 6080, 6852, 7296, 8565, 9120, 9136, 10849, 11420, 12160, 13704, 17130, 18240, 18272, 21698, 22840, 27408, 32547, 34260, 36480, 36544, 43396, 45680, 54245, 54816, 65094, 68520, 73088, 86792, 91360, 108490, 109632, 130188, 137040, 162735, 173584, 182720, 216980, 219264, 260376, 274080, 325470, 347168, 365440, 433960, 520752, 548160, 650940, 694336, 867920, 1041504, 1096320, 1301880, 1388672, 1735840, 2083008, 2603760, 3471680, 4166016, 5207520, 6943360, 10415040, 20830080]

約数ペア:

[(1, 20830080), (2, 10415040), (3, 6943360), (4, 5207520), (5, 4166016), (6, 3471680), (8, 2603760), (10, 2083008), (12, 1735840), (15, 1388672), (16, 1301880), (19, 1096320), (20, 1041504), (24, 867920), (30, 694336), (32, 650940), (38, 548160), (40, 520752), (48, 433960), (57, 365440), (60, 347168), (64, 325470), (76, 274080), (80, 260376), (95, 219264), (96, 216980), (114, 182720), (120, 173584), (128, 162735), (152, 137040), (160, 130188), (190, 109632), (192, 108490), (228, 91360), (240, 86792), (285, 73088), (304, 68520), (320, 65094), (380, 54816), (384, 54245), (456, 45680), (480, 43396), (570, 36544), (571, 36480), (608, 34260), (640, 32547), (760, 27408), (912, 22840), (960, 21698), (1140, 18272), (1142, 18240), (1216, 17130), (1520, 13704), (1713, 12160), (1824, 11420), (1920, 10849), (2280, 9136), (2284, 9120), (2432, 8565), (2855, 7296), (3040, 6852), (3426, 6080), (3648, 5710), (4560, 4568)]