80143020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:893

約数の個数: 120

約数和(自身を含む): 255848208

約数和(自身を除く): 175705188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 244, 270, 305, 324, 366, 405, 540, 549, 610, 732, 810, 811, 915, 1098, 1220, 1620, 1622, 1647, 1830, 2196, 2433, 2745, 3244, 3294, 3660, 4055, 4866, 4941, 5490, 6588, 7299, 8110, 8235, 9732, 9882, 10980, 12165, 14598, 16220, 16470, 19764, 21897, 24330, 24705, 29196, 32940, 36495, 43794, 48660, 49410, 49471, 65691, 72990, 87588, 98820, 98942, 109485, 131382, 145980, 148413, 197884, 218970, 247355, 262764, 296826, 328455, 437940, 445239, 494710, 593652, 656910, 742065, 890478, 989420, 1313820, 1335717, 1484130, 1780956, 2226195, 2671434, 2968260, 4007151, 4452390, 5342868, 6678585, 8014302, 8904780, 13357170, 16028604, 20035755, 26714340, 40071510, 80143020]

約数ペア:

[(1, 80143020), (2, 40071510), (3, 26714340), (4, 20035755), (5, 16028604), (6, 13357170), (9, 8904780), (10, 8014302), (12, 6678585), (15, 5342868), (18, 4452390), (20, 4007151), (27, 2968260), (30, 2671434), (36, 2226195), (45, 1780956), (54, 1484130), (60, 1335717), (61, 1313820), (81, 989420), (90, 890478), (108, 742065), (122, 656910), (135, 593652), (162, 494710), (180, 445239), (183, 437940), (244, 328455), (270, 296826), (305, 262764), (324, 247355), (366, 218970), (405, 197884), (540, 148413), (549, 145980), (610, 131382), (732, 109485), (810, 98942), (811, 98820), (915, 87588), (1098, 72990), (1220, 65691), (1620, 49471), (1622, 49410), (1647, 48660), (1830, 43794), (2196, 36495), (2433, 32940), (2745, 29196), (3244, 24705), (3294, 24330), (3660, 21897), (4055, 19764), (4866, 16470), (4941, 16220), (5490, 14598), (6588, 12165), (7299, 10980), (8110, 9882), (8235, 9732)]