28795680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19997}}^1$

素因数の和:20018

約数の個数: 72

約数和(自身を含む): 98270172

約数和(自身を除く): 69474492

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 19997, 39994, 59991, 79988, 99985, 119982, 159976, 179973, 199970, 239964, 299955, 319952, 359946, 399940, 479928, 599910, 639904, 719892, 799880, 899865, 959856, 1199820, 1439784, 1599760, 1799730, 1919712, 2399640, 2879568, 3199520, 3599460, 4799280, 5759136, 7198920, 9598560, 14397840, 28795680]

約数ペア:

[(1, 28795680), (2, 14397840), (3, 9598560), (4, 7198920), (5, 5759136), (6, 4799280), (8, 3599460), (9, 3199520), (10, 2879568), (12, 2399640), (15, 1919712), (16, 1799730), (18, 1599760), (20, 1439784), (24, 1199820), (30, 959856), (32, 899865), (36, 799880), (40, 719892), (45, 639904), (48, 599910), (60, 479928), (72, 399940), (80, 359946), (90, 319952), (96, 299955), (120, 239964), (144, 199970), (160, 179973), (180, 159976), (240, 119982), (288, 99985), (360, 79988), (480, 59991), (720, 39994), (1440, 19997)]