777780320

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{28099}}^1$

素因数の和:28287

約数の個数: 48

約数和(自身を含む): 1848193200

約数和(自身を除く): 1070412880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 5536, 6920, 13840, 27680, 28099, 56198, 112396, 140495, 224792, 280990, 449584, 561980, 899168, 1123960, 2247920, 4495840, 4861127, 9722254, 19444508, 24305635, 38889016, 48611270, 77778032, 97222540, 155556064, 194445080, 388890160, 777780320]

約数ペア:

[(1, 777780320), (2, 388890160), (4, 194445080), (5, 155556064), (8, 97222540), (10, 77778032), (16, 48611270), (20, 38889016), (32, 24305635), (40, 19444508), (80, 9722254), (160, 4861127), (173, 4495840), (346, 2247920), (692, 1123960), (865, 899168), (1384, 561980), (1730, 449584), (2768, 280990), (3460, 224792), (5536, 140495), (6920, 112396), (13840, 56198), (27680, 28099)]