80450280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:640

約数の個数: 128

約数和(自身を含む): 270403200

約数和(自身を除く): 189952920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 163, 180, 216, 270, 326, 360, 457, 489, 540, 652, 815, 914, 978, 1080, 1304, 1371, 1467, 1630, 1828, 1956, 2285, 2445, 2742, 2934, 3260, 3656, 3912, 4113, 4401, 4570, 4890, 5484, 5868, 6520, 6855, 7335, 8226, 8802, 9140, 9780, 10968, 11736, 12339, 13710, 14670, 16452, 17604, 18280, 19560, 20565, 22005, 24678, 27420, 29340, 32904, 35208, 41130, 44010, 49356, 54840, 58680, 61695, 74491, 82260, 88020, 98712, 123390, 148982, 164520, 176040, 223473, 246780, 297964, 372455, 446946, 493560, 595928, 670419, 744910, 893892, 1117365, 1340838, 1489820, 1787784, 2011257, 2234730, 2681676, 2979640, 3352095, 4022514, 4469460, 5363352, 6704190, 8045028, 8938920, 10056285, 13408380, 16090056, 20112570, 26816760, 40225140, 80450280]

約数ペア:

[(1, 80450280), (2, 40225140), (3, 26816760), (4, 20112570), (5, 16090056), (6, 13408380), (8, 10056285), (9, 8938920), (10, 8045028), (12, 6704190), (15, 5363352), (18, 4469460), (20, 4022514), (24, 3352095), (27, 2979640), (30, 2681676), (36, 2234730), (40, 2011257), (45, 1787784), (54, 1489820), (60, 1340838), (72, 1117365), (90, 893892), (108, 744910), (120, 670419), (135, 595928), (163, 493560), (180, 446946), (216, 372455), (270, 297964), (326, 246780), (360, 223473), (457, 176040), (489, 164520), (540, 148982), (652, 123390), (815, 98712), (914, 88020), (978, 82260), (1080, 74491), (1304, 61695), (1371, 58680), (1467, 54840), (1630, 49356), (1828, 44010), (1956, 41130), (2285, 35208), (2445, 32904), (2742, 29340), (2934, 27420), (3260, 24678), (3656, 22005), (3912, 20565), (4113, 19560), (4401, 18280), (4570, 17604), (4890, 16452), (5484, 14670), (5868, 13710), (6520, 12339), (6855, 11736), (7335, 10968), (8226, 9780), (8802, 9140)]