89747760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21997}}^1$

素因数の和:22030

約数の個数: 80

約数和(自身を含む): 294597216

約数和(自身を除く): 204849456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 21997, 43994, 65991, 87988, 109985, 131982, 175976, 219970, 263964, 329955, 351952, 373949, 439940, 527928, 659910, 747898, 879880, 1055856, 1121847, 1319820, 1495796, 1759760, 1869745, 2243694, 2639640, 2991592, 3739490, 4487388, 5279280, 5609235, 5983184, 7478980, 8974776, 11218470, 14957960, 17949552, 22436940, 29915920, 44873880, 89747760]

約数ペア:

[(1, 89747760), (2, 44873880), (3, 29915920), (4, 22436940), (5, 17949552), (6, 14957960), (8, 11218470), (10, 8974776), (12, 7478980), (15, 5983184), (16, 5609235), (17, 5279280), (20, 4487388), (24, 3739490), (30, 2991592), (34, 2639640), (40, 2243694), (48, 1869745), (51, 1759760), (60, 1495796), (68, 1319820), (80, 1121847), (85, 1055856), (102, 879880), (120, 747898), (136, 659910), (170, 527928), (204, 439940), (240, 373949), (255, 351952), (272, 329955), (340, 263964), (408, 219970), (510, 175976), (680, 131982), (816, 109985), (1020, 87988), (1360, 65991), (2040, 43994), (4080, 21997)]