1520689965

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4903}}^1$

素因数の和:4994

約数の個数: 64

約数和(自身を含む): 2711715840

約数和(自身を除く): 1191025875

約数列:

[1, 3, 5, 15, 23, 29, 31, 69, 87, 93, 115, 145, 155, 345, 435, 465, 667, 713, 899, 2001, 2139, 2697, 3335, 3565, 4495, 4903, 10005, 10695, 13485, 14709, 20677, 24515, 62031, 73545, 103385, 112769, 142187, 151993, 310155, 338307, 426561, 455979, 563845, 710935, 759965, 1691535, 2132805, 2279895, 3270301, 3495839, 4407797, 9810903, 10487517, 13223391, 16351505, 17479195, 22038985, 49054515, 52437585, 66116955, 101379331, 304137993, 506896655, 1520689965]

約数ペア:

[(1, 1520689965), (3, 506896655), (5, 304137993), (15, 101379331), (23, 66116955), (29, 52437585), (31, 49054515), (69, 22038985), (87, 17479195), (93, 16351505), (115, 13223391), (145, 10487517), (155, 9810903), (345, 4407797), (435, 3495839), (465, 3270301), (667, 2279895), (713, 2132805), (899, 1691535), (2001, 759965), (2139, 710935), (2697, 563845), (3335, 455979), (3565, 426561), (4495, 338307), (4903, 310155), (10005, 151993), (10695, 142187), (13485, 112769), (14709, 103385), (20677, 73545), (24515, 62031)]