1640189600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1279}}^1$

素因数の和:1535

約数の個数: 144

約数和(自身を含む): 4599705600

約数和(自身を除く): 2959516000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 229, 280, 350, 400, 458, 560, 700, 800, 916, 1120, 1145, 1279, 1400, 1603, 1832, 2290, 2558, 2800, 3206, 3664, 4580, 5116, 5600, 5725, 6395, 6412, 7328, 8015, 8953, 9160, 10232, 11450, 12790, 12824, 16030, 17906, 18320, 20464, 22900, 25580, 25648, 31975, 32060, 35812, 36640, 40075, 40928, 44765, 45800, 51160, 51296, 63950, 64120, 71624, 80150, 89530, 91600, 102320, 127900, 128240, 143248, 160300, 179060, 183200, 204640, 223825, 255800, 256480, 286496, 292891, 320600, 358120, 447650, 511600, 585782, 641200, 716240, 895300, 1023200, 1171564, 1282400, 1432480, 1464455, 1790600, 2050237, 2343128, 2928910, 3581200, 4100474, 4686256, 5857820, 7162400, 7322275, 8200948, 9372512, 10251185, 11715640, 14644550, 16401896, 20502370, 23431280, 29289100, 32803792, 41004740, 46862560, 51255925, 58578200, 65607584, 82009480, 102511850, 117156400, 164018960, 205023700, 234312800, 328037920, 410047400, 820094800, 1640189600]

約数ペア:

[(1, 1640189600), (2, 820094800), (4, 410047400), (5, 328037920), (7, 234312800), (8, 205023700), (10, 164018960), (14, 117156400), (16, 102511850), (20, 82009480), (25, 65607584), (28, 58578200), (32, 51255925), (35, 46862560), (40, 41004740), (50, 32803792), (56, 29289100), (70, 23431280), (80, 20502370), (100, 16401896), (112, 14644550), (140, 11715640), (160, 10251185), (175, 9372512), (200, 8200948), (224, 7322275), (229, 7162400), (280, 5857820), (350, 4686256), (400, 4100474), (458, 3581200), (560, 2928910), (700, 2343128), (800, 2050237), (916, 1790600), (1120, 1464455), (1145, 1432480), (1279, 1282400), (1400, 1171564), (1603, 1023200), (1832, 895300), (2290, 716240), (2558, 641200), (2800, 585782), (3206, 511600), (3664, 447650), (4580, 358120), (5116, 320600), (5600, 292891), (5725, 286496), (6395, 256480), (6412, 255800), (7328, 223825), (8015, 204640), (8953, 183200), (9160, 179060), (10232, 160300), (11450, 143248), (12790, 128240), (12824, 127900), (16030, 102320), (17906, 91600), (18320, 89530), (20464, 80150), (22900, 71624), (25580, 64120), (25648, 63950), (31975, 51296), (32060, 51160), (35812, 45800), (36640, 44765), (40075, 40928)]