821887380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{106187}}^1$

素因数の和:106245

約数の個数: 72

約数和(自身を含む): 2551060512

約数和(自身を除く): 1729173132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 106187, 212374, 318561, 424748, 530935, 637122, 955683, 1061870, 1274244, 1592805, 1911366, 2123740, 3185610, 3822732, 4566041, 4778415, 6371220, 9132082, 9556830, 13698123, 18264164, 19113660, 22830205, 27396246, 41094369, 45660410, 54792492, 68490615, 82188738, 91320820, 136981230, 164377476, 205471845, 273962460, 410943690, 821887380]

約数ペア:

[(1, 821887380), (2, 410943690), (3, 273962460), (4, 205471845), (5, 164377476), (6, 136981230), (9, 91320820), (10, 82188738), (12, 68490615), (15, 54792492), (18, 45660410), (20, 41094369), (30, 27396246), (36, 22830205), (43, 19113660), (45, 18264164), (60, 13698123), (86, 9556830), (90, 9132082), (129, 6371220), (172, 4778415), (180, 4566041), (215, 3822732), (258, 3185610), (387, 2123740), (430, 1911366), (516, 1592805), (645, 1274244), (774, 1061870), (860, 955683), (1290, 637122), (1548, 530935), (1935, 424748), (2580, 318561), (3870, 212374), (7740, 106187)]