78583260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{26729}}^1$

素因数の和:26755

約数の個数: 72

約数和(自身を含む): 255966480

約数和(自身を除く): 177383220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 26729, 53458, 80187, 106916, 133645, 160374, 187103, 267290, 320748, 374206, 400935, 534580, 561309, 748412, 801870, 935515, 1122618, 1309721, 1603740, 1871030, 2245236, 2619442, 2806545, 3742060, 3929163, 5238884, 5613090, 6548605, 7858326, 11226180, 13097210, 15716652, 19645815, 26194420, 39291630, 78583260]

約数ペア:

[(1, 78583260), (2, 39291630), (3, 26194420), (4, 19645815), (5, 15716652), (6, 13097210), (7, 11226180), (10, 7858326), (12, 6548605), (14, 5613090), (15, 5238884), (20, 3929163), (21, 3742060), (28, 2806545), (30, 2619442), (35, 2245236), (42, 1871030), (49, 1603740), (60, 1309721), (70, 1122618), (84, 935515), (98, 801870), (105, 748412), (140, 561309), (147, 534580), (196, 400935), (210, 374206), (245, 320748), (294, 267290), (420, 187103), (490, 160374), (588, 133645), (735, 106916), (980, 80187), (1470, 53458), (2940, 26729)]