77662980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2647}}^1$

素因数の和:2825

約数の個数: 72

約数和(自身を含む): 237112512

約数和(自身を除く): 159449532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2647, 2934, 3260, 4890, 5294, 5868, 7335, 7941, 9780, 10588, 13235, 14670, 15882, 23823, 26470, 29340, 31764, 39705, 47646, 52940, 79410, 95292, 119115, 158820, 238230, 431461, 476460, 862922, 1294383, 1725844, 2157305, 2588766, 3883149, 4314610, 5177532, 6471915, 7766298, 8629220, 12943830, 15532596, 19415745, 25887660, 38831490, 77662980]

約数ペア:

[(1, 77662980), (2, 38831490), (3, 25887660), (4, 19415745), (5, 15532596), (6, 12943830), (9, 8629220), (10, 7766298), (12, 6471915), (15, 5177532), (18, 4314610), (20, 3883149), (30, 2588766), (36, 2157305), (45, 1725844), (60, 1294383), (90, 862922), (163, 476460), (180, 431461), (326, 238230), (489, 158820), (652, 119115), (815, 95292), (978, 79410), (1467, 52940), (1630, 47646), (1956, 39705), (2445, 31764), (2647, 29340), (2934, 26470), (3260, 23823), (4890, 15882), (5294, 14670), (5868, 13235), (7335, 10588), (7941, 9780)]