678240075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 1237420800

約数和(自身を除く): 559180725

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 89, 129, 139, 215, 255, 267, 417, 425, 445, 645, 695, 731, 1075, 1275, 1335, 1513, 2085, 2193, 2225, 2363, 3225, 3475, 3655, 3827, 4539, 5977, 6675, 7089, 7565, 10425, 10965, 11481, 11815, 12371, 17931, 18275, 19135, 22695, 29885, 35445, 37113, 37825, 54825, 57405, 59075, 61855, 65059, 89655, 95675, 101609, 113475, 149425, 177225, 185565, 195177, 210307, 287025, 304827, 309275, 325295, 448275, 508045, 531953, 630921, 927825, 975885, 1051535, 1524135, 1595859, 1626475, 2540225, 2659765, 3154605, 4879425, 5257675, 7620675, 7979295, 9043201, 13298825, 15773025, 27129603, 39896475, 45216005, 135648015, 226080025, 678240075]

約数ペア:

[(1, 678240075), (3, 226080025), (5, 135648015), (15, 45216005), (17, 39896475), (25, 27129603), (43, 15773025), (51, 13298825), (75, 9043201), (85, 7979295), (89, 7620675), (129, 5257675), (139, 4879425), (215, 3154605), (255, 2659765), (267, 2540225), (417, 1626475), (425, 1595859), (445, 1524135), (645, 1051535), (695, 975885), (731, 927825), (1075, 630921), (1275, 531953), (1335, 508045), (1513, 448275), (2085, 325295), (2193, 309275), (2225, 304827), (2363, 287025), (3225, 210307), (3475, 195177), (3655, 185565), (3827, 177225), (4539, 149425), (5977, 113475), (6675, 101609), (7089, 95675), (7565, 89655), (10425, 65059), (10965, 61855), (11481, 59075), (11815, 57405), (12371, 54825), (17931, 37825), (18275, 37113), (19135, 35445), (22695, 29885)]