720758885

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 1134784728

約数和(自身を除く): 414025843

約数列:

[1, 5, 7, 11, 35, 41, 49, 55, 77, 121, 205, 245, 287, 385, 451, 539, 593, 605, 847, 1435, 2009, 2255, 2695, 2965, 3157, 4151, 4235, 4961, 5929, 6523, 10045, 15785, 20755, 22099, 24313, 24805, 29057, 29645, 32615, 34727, 45661, 71753, 110495, 121565, 145285, 170191, 173635, 228305, 243089, 267443, 319627, 358765, 502271, 850955, 1191337, 1215445, 1337215, 1598135, 1872101, 2511355, 2941873, 3515897, 5956685, 9360505, 13104707, 14709365, 17579485, 20593111, 65523535, 102965555, 144151777, 720758885]

約数ペア:

[(1, 720758885), (5, 144151777), (7, 102965555), (11, 65523535), (35, 20593111), (41, 17579485), (49, 14709365), (55, 13104707), (77, 9360505), (121, 5956685), (205, 3515897), (245, 2941873), (287, 2511355), (385, 1872101), (451, 1598135), (539, 1337215), (593, 1215445), (605, 1191337), (847, 850955), (1435, 502271), (2009, 358765), (2255, 319627), (2695, 267443), (2965, 243089), (3157, 228305), (4151, 173635), (4235, 170191), (4961, 145285), (5929, 121565), (6523, 110495), (10045, 71753), (15785, 45661), (20755, 34727), (22099, 32615), (24313, 29645), (24805, 29057)]