254880915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1697}}^1$

素因数の和:1772

約数の個数: 64

約数和(自身を含む): 469463040

約数和(自身を除く): 214582125

約数列:

[1, 3, 5, 15, 17, 19, 31, 51, 57, 85, 93, 95, 155, 255, 285, 323, 465, 527, 589, 969, 1581, 1615, 1697, 1767, 2635, 2945, 4845, 5091, 7905, 8485, 8835, 10013, 25455, 28849, 30039, 32243, 50065, 52607, 86547, 96729, 144245, 150195, 157821, 161215, 263035, 432735, 483645, 548131, 789105, 894319, 999533, 1644393, 2682957, 2740655, 2998599, 4471595, 4997665, 8221965, 13414785, 14992995, 16992061, 50976183, 84960305, 254880915]

約数ペア:

[(1, 254880915), (3, 84960305), (5, 50976183), (15, 16992061), (17, 14992995), (19, 13414785), (31, 8221965), (51, 4997665), (57, 4471595), (85, 2998599), (93, 2740655), (95, 2682957), (155, 1644393), (255, 999533), (285, 894319), (323, 789105), (465, 548131), (527, 483645), (589, 432735), (969, 263035), (1581, 161215), (1615, 157821), (1697, 150195), (1767, 144245), (2635, 96729), (2945, 86547), (4845, 52607), (5091, 50065), (7905, 32243), (8485, 30039), (8835, 28849), (10013, 25455)]