268510665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 472780800

約数和(自身を除く): 204270135

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 149, 185, 191, 255, 447, 555, 573, 629, 745, 955, 1887, 2235, 2533, 2865, 3145, 3247, 5513, 7067, 7599, 9435, 9741, 12665, 16235, 16539, 21201, 27565, 28459, 35335, 37995, 48705, 82695, 85377, 93721, 106005, 120139, 142295, 281163, 360417, 426885, 468605, 483803, 600695, 1052983, 1405815, 1451409, 1802085, 2419015, 3158949, 5264915, 7257045, 15794745, 17900711, 53702133, 89503555, 268510665]

約数ペア:

[(1, 268510665), (3, 89503555), (5, 53702133), (15, 17900711), (17, 15794745), (37, 7257045), (51, 5264915), (85, 3158949), (111, 2419015), (149, 1802085), (185, 1451409), (191, 1405815), (255, 1052983), (447, 600695), (555, 483803), (573, 468605), (629, 426885), (745, 360417), (955, 281163), (1887, 142295), (2235, 120139), (2533, 106005), (2865, 93721), (3145, 85377), (3247, 82695), (5513, 48705), (7067, 37995), (7599, 35335), (9435, 28459), (9741, 27565), (12665, 21201), (16235, 16539)]