16563680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:688

約数の個数: 96

約数和(自身を含む): 46738944

約数和(自身を除く): 30175264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 643, 644, 736, 805, 920, 1120, 1286, 1288, 1610, 1840, 2572, 2576, 3215, 3220, 3680, 4501, 5144, 5152, 6430, 6440, 9002, 10288, 12860, 12880, 14789, 18004, 20576, 22505, 25720, 25760, 29578, 36008, 45010, 51440, 59156, 72016, 73945, 90020, 102880, 103523, 118312, 144032, 147890, 180040, 207046, 236624, 295780, 360080, 414092, 473248, 517615, 591560, 720160, 828184, 1035230, 1183120, 1656368, 2070460, 2366240, 3312736, 4140920, 8281840, 16563680]

約数ペア:

[(1, 16563680), (2, 8281840), (4, 4140920), (5, 3312736), (7, 2366240), (8, 2070460), (10, 1656368), (14, 1183120), (16, 1035230), (20, 828184), (23, 720160), (28, 591560), (32, 517615), (35, 473248), (40, 414092), (46, 360080), (56, 295780), (70, 236624), (80, 207046), (92, 180040), (112, 147890), (115, 144032), (140, 118312), (160, 103523), (161, 102880), (184, 90020), (224, 73945), (230, 72016), (280, 59156), (322, 51440), (368, 45010), (460, 36008), (560, 29578), (643, 25760), (644, 25720), (736, 22505), (805, 20576), (920, 18004), (1120, 14789), (1286, 12880), (1288, 12860), (1610, 10288), (1840, 9002), (2572, 6440), (2576, 6430), (3215, 5152), (3220, 5144), (3680, 4501)]