28799760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10909}}^1$

素因数の和:10936

約数の個数: 80

約数和(自身を含む): 97404480

約数和(自身を除く): 68604720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 10909, 21818, 32727, 43636, 54545, 65454, 87272, 109090, 119999, 130908, 163635, 174544, 218180, 239998, 261816, 327270, 359997, 436360, 479996, 523632, 599995, 654540, 719994, 872720, 959992, 1199990, 1309080, 1439988, 1799985, 1919984, 2399980, 2618160, 2879976, 3599970, 4799960, 5759952, 7199940, 9599920, 14399880, 28799760]

約数ペア:

[(1, 28799760), (2, 14399880), (3, 9599920), (4, 7199940), (5, 5759952), (6, 4799960), (8, 3599970), (10, 2879976), (11, 2618160), (12, 2399980), (15, 1919984), (16, 1799985), (20, 1439988), (22, 1309080), (24, 1199990), (30, 959992), (33, 872720), (40, 719994), (44, 654540), (48, 599995), (55, 523632), (60, 479996), (66, 436360), (80, 359997), (88, 327270), (110, 261816), (120, 239998), (132, 218180), (165, 174544), (176, 163635), (220, 130908), (240, 119999), (264, 109090), (330, 87272), (440, 65454), (528, 54545), (660, 43636), (880, 32727), (1320, 21818), (2640, 10909)]