726490960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{733}}^1\times {\mathrm{953}}^1$

素因数の和:1712

約数の個数: 80

約数和(自身を含む): 1823414544

約数和(自身を除く): 1096923584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 733, 953, 1040, 1466, 1906, 2932, 3665, 3812, 4765, 5864, 7330, 7624, 9529, 9530, 11728, 12389, 14660, 15248, 19058, 19060, 24778, 29320, 38116, 38120, 47645, 49556, 58640, 61945, 76232, 76240, 95290, 99112, 123890, 152464, 190580, 198224, 247780, 381160, 495560, 698549, 762320, 991120, 1397098, 2794196, 3492745, 5588392, 6985490, 9081137, 11176784, 13970980, 18162274, 27941960, 36324548, 45405685, 55883920, 72649096, 90811370, 145298192, 181622740, 363245480, 726490960]

約数ペア:

[(1, 726490960), (2, 363245480), (4, 181622740), (5, 145298192), (8, 90811370), (10, 72649096), (13, 55883920), (16, 45405685), (20, 36324548), (26, 27941960), (40, 18162274), (52, 13970980), (65, 11176784), (80, 9081137), (104, 6985490), (130, 5588392), (208, 3492745), (260, 2794196), (520, 1397098), (733, 991120), (953, 762320), (1040, 698549), (1466, 495560), (1906, 381160), (2932, 247780), (3665, 198224), (3812, 190580), (4765, 152464), (5864, 123890), (7330, 99112), (7624, 95290), (9529, 76240), (9530, 76232), (11728, 61945), (12389, 58640), (14660, 49556), (15248, 47645), (19058, 38120), (19060, 38116), (24778, 29320)]