81490680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4271}}^1$

素因数の和:4341

約数の個数: 96

約数和(自身を含む): 269904960

約数和(自身を除く): 188414280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 159, 180, 212, 265, 318, 360, 424, 477, 530, 636, 795, 954, 1060, 1272, 1590, 1908, 2120, 2385, 3180, 3816, 4271, 4770, 6360, 8542, 9540, 12813, 17084, 19080, 21355, 25626, 34168, 38439, 42710, 51252, 64065, 76878, 85420, 102504, 128130, 153756, 170840, 192195, 226363, 256260, 307512, 384390, 452726, 512520, 679089, 768780, 905452, 1131815, 1358178, 1537560, 1810904, 2037267, 2263630, 2716356, 3395445, 4074534, 4527260, 5432712, 6790890, 8149068, 9054520, 10186335, 13581780, 16298136, 20372670, 27163560, 40745340, 81490680]

約数ペア:

[(1, 81490680), (2, 40745340), (3, 27163560), (4, 20372670), (5, 16298136), (6, 13581780), (8, 10186335), (9, 9054520), (10, 8149068), (12, 6790890), (15, 5432712), (18, 4527260), (20, 4074534), (24, 3395445), (30, 2716356), (36, 2263630), (40, 2037267), (45, 1810904), (53, 1537560), (60, 1358178), (72, 1131815), (90, 905452), (106, 768780), (120, 679089), (159, 512520), (180, 452726), (212, 384390), (265, 307512), (318, 256260), (360, 226363), (424, 192195), (477, 170840), (530, 153756), (636, 128130), (795, 102504), (954, 85420), (1060, 76878), (1272, 64065), (1590, 51252), (1908, 42710), (2120, 38439), (2385, 34168), (3180, 25626), (3816, 21355), (4271, 19080), (4770, 17084), (6360, 12813), (8542, 9540)]