81349560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2539}}^1$

素因数の和:2645

約数の個数: 96

約数和(自身を含む): 267462000

約数和(自身を除く): 186112440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 89, 90, 120, 178, 180, 267, 356, 360, 445, 534, 712, 801, 890, 1068, 1335, 1602, 1780, 2136, 2539, 2670, 3204, 3560, 4005, 5078, 5340, 6408, 7617, 8010, 10156, 10680, 12695, 15234, 16020, 20312, 22851, 25390, 30468, 32040, 38085, 45702, 50780, 60936, 76170, 91404, 101560, 114255, 152340, 182808, 225971, 228510, 304680, 451942, 457020, 677913, 903884, 914040, 1129855, 1355826, 1807768, 2033739, 2259710, 2711652, 3389565, 4067478, 4519420, 5423304, 6779130, 8134956, 9038840, 10168695, 13558260, 16269912, 20337390, 27116520, 40674780, 81349560]

約数ペア:

[(1, 81349560), (2, 40674780), (3, 27116520), (4, 20337390), (5, 16269912), (6, 13558260), (8, 10168695), (9, 9038840), (10, 8134956), (12, 6779130), (15, 5423304), (18, 4519420), (20, 4067478), (24, 3389565), (30, 2711652), (36, 2259710), (40, 2033739), (45, 1807768), (60, 1355826), (72, 1129855), (89, 914040), (90, 903884), (120, 677913), (178, 457020), (180, 451942), (267, 304680), (356, 228510), (360, 225971), (445, 182808), (534, 152340), (712, 114255), (801, 101560), (890, 91404), (1068, 76170), (1335, 60936), (1602, 50780), (1780, 45702), (2136, 38085), (2539, 32040), (2670, 30468), (3204, 25390), (3560, 22851), (4005, 20312), (5078, 16020), (5340, 15234), (6408, 12695), (7617, 10680), (8010, 10156)]