681318400

素因数分解:

$2^{11}\times 5^2\times 7^1\times {\mathrm{1901}}^1$

素因数の和:1940

約数の個数: 144

約数和(自身を含む): 1931595120

約数和(自身を除く): 1250276720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 512, 560, 640, 700, 800, 896, 1024, 1120, 1280, 1400, 1600, 1792, 1901, 2048, 2240, 2560, 2800, 3200, 3584, 3802, 4480, 5120, 5600, 6400, 7168, 7604, 8960, 9505, 10240, 11200, 12800, 13307, 14336, 15208, 17920, 19010, 22400, 25600, 26614, 30416, 35840, 38020, 44800, 47525, 51200, 53228, 60832, 66535, 71680, 76040, 89600, 95050, 106456, 121664, 133070, 152080, 179200, 190100, 212912, 243328, 266140, 304160, 332675, 358400, 380200, 425824, 486656, 532280, 608320, 665350, 760400, 851648, 973312, 1064560, 1216640, 1330700, 1520800, 1703296, 1946624, 2129120, 2433280, 2661400, 3041600, 3406592, 3893248, 4258240, 4866560, 5322800, 6083200, 6813184, 8516480, 9733120, 10645600, 12166400, 13626368, 17032960, 19466240, 21291200, 24332800, 27252736, 34065920, 42582400, 48665600, 68131840, 85164800, 97331200, 136263680, 170329600, 340659200, 681318400]

約数ペア:

[(1, 681318400), (2, 340659200), (4, 170329600), (5, 136263680), (7, 97331200), (8, 85164800), (10, 68131840), (14, 48665600), (16, 42582400), (20, 34065920), (25, 27252736), (28, 24332800), (32, 21291200), (35, 19466240), (40, 17032960), (50, 13626368), (56, 12166400), (64, 10645600), (70, 9733120), (80, 8516480), (100, 6813184), (112, 6083200), (128, 5322800), (140, 4866560), (160, 4258240), (175, 3893248), (200, 3406592), (224, 3041600), (256, 2661400), (280, 2433280), (320, 2129120), (350, 1946624), (400, 1703296), (448, 1520800), (512, 1330700), (560, 1216640), (640, 1064560), (700, 973312), (800, 851648), (896, 760400), (1024, 665350), (1120, 608320), (1280, 532280), (1400, 486656), (1600, 425824), (1792, 380200), (1901, 358400), (2048, 332675), (2240, 304160), (2560, 266140), (2800, 243328), (3200, 212912), (3584, 190100), (3802, 179200), (4480, 152080), (5120, 133070), (5600, 121664), (6400, 106456), (7168, 95050), (7604, 89600), (8960, 76040), (9505, 71680), (10240, 66535), (11200, 60832), (12800, 53228), (13307, 51200), (14336, 47525), (15208, 44800), (17920, 38020), (19010, 35840), (22400, 30416), (25600, 26614)]