231891520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:697

約数の個数: 168

約数和(自身を含む): 671315904

約数和(自身を除く): 439424384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 320, 322, 368, 392, 448, 460, 490, 560, 643, 644, 736, 784, 805, 920, 980, 1120, 1127, 1286, 1288, 1472, 1568, 1610, 1840, 1960, 2240, 2254, 2572, 2576, 3136, 3215, 3220, 3680, 3920, 4501, 4508, 5144, 5152, 5635, 6430, 6440, 7360, 7840, 9002, 9016, 10288, 10304, 11270, 12860, 12880, 14789, 15680, 18004, 18032, 20576, 22505, 22540, 25720, 25760, 29578, 31507, 36008, 36064, 41152, 45010, 45080, 51440, 51520, 59156, 63014, 72016, 72128, 73945, 90020, 90160, 102880, 103523, 118312, 126028, 144032, 147890, 157535, 180040, 180320, 205760, 207046, 236624, 252056, 288064, 295780, 315070, 360080, 360640, 414092, 473248, 504112, 517615, 591560, 630140, 720160, 724661, 828184, 946496, 1008224, 1035230, 1183120, 1260280, 1440320, 1449322, 1656368, 2016448, 2070460, 2366240, 2520560, 2898644, 3312736, 3623305, 4140920, 4732480, 5041120, 5797288, 6625472, 7246610, 8281840, 10082240, 11594576, 14493220, 16563680, 23189152, 28986440, 33127360, 46378304, 57972880, 115945760, 231891520]

約数ペア:

[(1, 231891520), (2, 115945760), (4, 57972880), (5, 46378304), (7, 33127360), (8, 28986440), (10, 23189152), (14, 16563680), (16, 14493220), (20, 11594576), (23, 10082240), (28, 8281840), (32, 7246610), (35, 6625472), (40, 5797288), (46, 5041120), (49, 4732480), (56, 4140920), (64, 3623305), (70, 3312736), (80, 2898644), (92, 2520560), (98, 2366240), (112, 2070460), (115, 2016448), (140, 1656368), (160, 1449322), (161, 1440320), (184, 1260280), (196, 1183120), (224, 1035230), (230, 1008224), (245, 946496), (280, 828184), (320, 724661), (322, 720160), (368, 630140), (392, 591560), (448, 517615), (460, 504112), (490, 473248), (560, 414092), (643, 360640), (644, 360080), (736, 315070), (784, 295780), (805, 288064), (920, 252056), (980, 236624), (1120, 207046), (1127, 205760), (1286, 180320), (1288, 180040), (1472, 157535), (1568, 147890), (1610, 144032), (1840, 126028), (1960, 118312), (2240, 103523), (2254, 102880), (2572, 90160), (2576, 90020), (3136, 73945), (3215, 72128), (3220, 72016), (3680, 63014), (3920, 59156), (4501, 51520), (4508, 51440), (5144, 45080), (5152, 45010), (5635, 41152), (6430, 36064), (6440, 36008), (7360, 31507), (7840, 29578), (9002, 25760), (9016, 25720), (10288, 22540), (10304, 22505), (11270, 20576), (12860, 18032), (12880, 18004), (14789, 15680)]