81659280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3823}}^1$

素因数の和:3928

約数の個数: 80

約数和(自身を含む): 256055040

約数和(自身を除く): 174395760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 890, 1068, 1335, 1424, 1780, 2136, 2670, 3560, 3823, 4272, 5340, 7120, 7646, 10680, 11469, 15292, 19115, 21360, 22938, 30584, 38230, 45876, 57345, 61168, 76460, 91752, 114690, 152920, 183504, 229380, 305840, 340247, 458760, 680494, 917520, 1020741, 1360988, 1701235, 2041482, 2721976, 3402470, 4082964, 5103705, 5443952, 6804940, 8165928, 10207410, 13609880, 16331856, 20414820, 27219760, 40829640, 81659280]

約数ペア:

[(1, 81659280), (2, 40829640), (3, 27219760), (4, 20414820), (5, 16331856), (6, 13609880), (8, 10207410), (10, 8165928), (12, 6804940), (15, 5443952), (16, 5103705), (20, 4082964), (24, 3402470), (30, 2721976), (40, 2041482), (48, 1701235), (60, 1360988), (80, 1020741), (89, 917520), (120, 680494), (178, 458760), (240, 340247), (267, 305840), (356, 229380), (445, 183504), (534, 152920), (712, 114690), (890, 91752), (1068, 76460), (1335, 61168), (1424, 57345), (1780, 45876), (2136, 38230), (2670, 30584), (3560, 22938), (3823, 21360), (4272, 19115), (5340, 15292), (7120, 11469), (7646, 10680)]