65545020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{811}}^1$

素因数の和:1275

約数の個数: 72

約数和(自身を含む): 199508400

約数和(自身を除く): 133963380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 811, 898, 1347, 1622, 1796, 2245, 2433, 2694, 3244, 4041, 4055, 4490, 4866, 5388, 6735, 7299, 8082, 8110, 8980, 9732, 12165, 13470, 14598, 16164, 16220, 20205, 24330, 26940, 29196, 36495, 40410, 48660, 72990, 80820, 145980, 364139, 728278, 1092417, 1456556, 1820695, 2184834, 3277251, 3641390, 4369668, 5462085, 6554502, 7282780, 10924170, 13109004, 16386255, 21848340, 32772510, 65545020]

約数ペア:

[(1, 65545020), (2, 32772510), (3, 21848340), (4, 16386255), (5, 13109004), (6, 10924170), (9, 7282780), (10, 6554502), (12, 5462085), (15, 4369668), (18, 3641390), (20, 3277251), (30, 2184834), (36, 1820695), (45, 1456556), (60, 1092417), (90, 728278), (180, 364139), (449, 145980), (811, 80820), (898, 72990), (1347, 48660), (1622, 40410), (1796, 36495), (2245, 29196), (2433, 26940), (2694, 24330), (3244, 20205), (4041, 16220), (4055, 16164), (4490, 14598), (4866, 13470), (5388, 12165), (6735, 9732), (7299, 8980), (8082, 8110)]