204640815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 358318080

約数和(自身を除く): 153677265

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 89, 127, 213, 255, 267, 355, 381, 445, 635, 1065, 1207, 1335, 1513, 1905, 2159, 3621, 4539, 6035, 6319, 6477, 7565, 9017, 10795, 11303, 18105, 18957, 22695, 27051, 31595, 32385, 33909, 45085, 56515, 94785, 107423, 135255, 153289, 169545, 192151, 322269, 459867, 537115, 576453, 766445, 802513, 960755, 1611345, 2299335, 2407539, 2882265, 4012565, 12037695, 13642721, 40928163, 68213605, 204640815]

約数ペア:

[(1, 204640815), (3, 68213605), (5, 40928163), (15, 13642721), (17, 12037695), (51, 4012565), (71, 2882265), (85, 2407539), (89, 2299335), (127, 1611345), (213, 960755), (255, 802513), (267, 766445), (355, 576453), (381, 537115), (445, 459867), (635, 322269), (1065, 192151), (1207, 169545), (1335, 153289), (1513, 135255), (1905, 107423), (2159, 94785), (3621, 56515), (4539, 45085), (6035, 33909), (6319, 32385), (6477, 31595), (7565, 27051), (9017, 22695), (10795, 18957), (11303, 18105)]