20177082800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{643}}^1\times {\mathrm{1601}}^1$

素因数の和:2276

約数の個数: 180

約数和(自身を含む): 56512773576

約数和(自身を除く): 36335690776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 643, 700, 784, 980, 1225, 1286, 1400, 1601, 1960, 2450, 2572, 2800, 3202, 3215, 3920, 4501, 4900, 5144, 6404, 6430, 8005, 9002, 9800, 10288, 11207, 12808, 12860, 16010, 16075, 18004, 19600, 22414, 22505, 25616, 25720, 31507, 32020, 32150, 36008, 40025, 44828, 45010, 51440, 56035, 63014, 64040, 64300, 72016, 78449, 80050, 89656, 90020, 112070, 112525, 126028, 128080, 128600, 156898, 157535, 160100, 179312, 180040, 224140, 225050, 252056, 257200, 280175, 313796, 315070, 320200, 360080, 392245, 448280, 450100, 504112, 560350, 627592, 630140, 640400, 784490, 787675, 896560, 900200, 1029443, 1120700, 1255184, 1260280, 1568980, 1575350, 1800400, 1961225, 2058886, 2241400, 2520560, 3137960, 3150700, 3922450, 4117772, 4482800, 5147215, 6275920, 6301400, 7206101, 7844900, 8235544, 10294430, 12602800, 14412202, 15689800, 16471088, 20588860, 25736075, 28824404, 31379600, 36030505, 41177720, 50442707, 51472150, 57648808, 72061010, 82355440, 100885414, 102944300, 115297616, 144122020, 180152525, 201770828, 205888600, 252213535, 288244040, 360305050, 403541656, 411777200, 504427070, 576488080, 720610100, 807083312, 1008854140, 1261067675, 1441220200, 2017708280, 2522135350, 2882440400, 4035416560, 5044270700, 10088541400, 20177082800]

約数ペア:

[(1, 20177082800), (2, 10088541400), (4, 5044270700), (5, 4035416560), (7, 2882440400), (8, 2522135350), (10, 2017708280), (14, 1441220200), (16, 1261067675), (20, 1008854140), (25, 807083312), (28, 720610100), (35, 576488080), (40, 504427070), (49, 411777200), (50, 403541656), (56, 360305050), (70, 288244040), (80, 252213535), (98, 205888600), (100, 201770828), (112, 180152525), (140, 144122020), (175, 115297616), (196, 102944300), (200, 100885414), (245, 82355440), (280, 72061010), (350, 57648808), (392, 51472150), (400, 50442707), (490, 41177720), (560, 36030505), (643, 31379600), (700, 28824404), (784, 25736075), (980, 20588860), (1225, 16471088), (1286, 15689800), (1400, 14412202), (1601, 12602800), (1960, 10294430), (2450, 8235544), (2572, 7844900), (2800, 7206101), (3202, 6301400), (3215, 6275920), (3920, 5147215), (4501, 4482800), (4900, 4117772), (5144, 3922450), (6404, 3150700), (6430, 3137960), (8005, 2520560), (9002, 2241400), (9800, 2058886), (10288, 1961225), (11207, 1800400), (12808, 1575350), (12860, 1568980), (16010, 1260280), (16075, 1255184), (18004, 1120700), (19600, 1029443), (22414, 900200), (22505, 896560), (25616, 787675), (25720, 784490), (31507, 640400), (32020, 630140), (32150, 627592), (36008, 560350), (40025, 504112), (44828, 450100), (45010, 448280), (51440, 392245), (56035, 360080), (63014, 320200), (64040, 315070), (64300, 313796), (72016, 280175), (78449, 257200), (80050, 252056), (89656, 225050), (90020, 224140), (112070, 180040), (112525, 179312), (126028, 160100), (128080, 157535), (128600, 156898)]