19795680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:313

約数の個数: 144

約数和(自身を含む): 68992560

約数和(自身を除く): 49196880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 233, 236, 240, 288, 295, 354, 360, 466, 472, 480, 531, 590, 699, 708, 720, 885, 932, 944, 1062, 1165, 1180, 1398, 1416, 1440, 1770, 1864, 1888, 2097, 2124, 2330, 2360, 2655, 2796, 2832, 3495, 3540, 3728, 4194, 4248, 4660, 4720, 5310, 5592, 5664, 6990, 7080, 7456, 8388, 8496, 9320, 9440, 10485, 10620, 11184, 13747, 13980, 14160, 16776, 16992, 18640, 20970, 21240, 22368, 27494, 27960, 28320, 33552, 37280, 41241, 41940, 42480, 54988, 55920, 67104, 68735, 82482, 83880, 84960, 109976, 111840, 123723, 137470, 164964, 167760, 206205, 219952, 247446, 274940, 329928, 335520, 412410, 439904, 494892, 549880, 618615, 659856, 824820, 989784, 1099760, 1237230, 1319712, 1649640, 1979568, 2199520, 2474460, 3299280, 3959136, 4948920, 6598560, 9897840, 19795680]

約数ペア:

[(1, 19795680), (2, 9897840), (3, 6598560), (4, 4948920), (5, 3959136), (6, 3299280), (8, 2474460), (9, 2199520), (10, 1979568), (12, 1649640), (15, 1319712), (16, 1237230), (18, 1099760), (20, 989784), (24, 824820), (30, 659856), (32, 618615), (36, 549880), (40, 494892), (45, 439904), (48, 412410), (59, 335520), (60, 329928), (72, 274940), (80, 247446), (90, 219952), (96, 206205), (118, 167760), (120, 164964), (144, 137470), (160, 123723), (177, 111840), (180, 109976), (233, 84960), (236, 83880), (240, 82482), (288, 68735), (295, 67104), (354, 55920), (360, 54988), (466, 42480), (472, 41940), (480, 41241), (531, 37280), (590, 33552), (699, 28320), (708, 27960), (720, 27494), (885, 22368), (932, 21240), (944, 20970), (1062, 18640), (1165, 16992), (1180, 16776), (1398, 14160), (1416, 13980), (1440, 13747), (1770, 11184), (1864, 10620), (1888, 10485), (2097, 9440), (2124, 9320), (2330, 8496), (2360, 8388), (2655, 7456), (2796, 7080), (2832, 6990), (3495, 5664), (3540, 5592), (3728, 5310), (4194, 4720), (4248, 4660)]