30720996

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{7829}}^1$

素因数の和:7948

約数の個数: 36

約数和(自身を含む): 78378300

約数和(自身を除く): 47657304

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 7829, 15658, 23487, 31316, 46974, 70461, 93948, 140922, 281844, 853361, 1706722, 2560083, 3413444, 5120166, 7680249, 10240332, 15360498, 30720996]

約数ペア:

[(1, 30720996), (2, 15360498), (3, 10240332), (4, 7680249), (6, 5120166), (9, 3413444), (12, 2560083), (18, 1706722), (36, 853361), (109, 281844), (218, 140922), (327, 93948), (436, 70461), (654, 46974), (981, 31316), (1308, 23487), (1962, 15658), (3924, 7829)]