81334080

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:965

約数の個数: 168

約数和(自身を含む): 289096704

約数和(自身を除く): 207762624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 911, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1822, 1860, 1984, 2232, 2480, 2733, 2790, 2880, 2976, 3644, 3720, 4464, 4555, 4960, 5466, 5580, 5952, 7288, 7440, 8199, 8928, 9110, 9920, 10932, 11160, 13665, 14576, 14880, 16398, 17856, 18220, 21864, 22320, 27330, 28241, 29152, 29760, 32796, 36440, 40995, 43728, 44640, 54660, 56482, 58304, 65592, 72880, 81990, 84723, 87456, 89280, 109320, 112964, 131184, 141205, 145760, 163980, 169446, 174912, 218640, 225928, 254169, 262368, 282410, 291520, 327960, 338892, 423615, 437280, 451856, 508338, 524736, 564820, 655920, 677784, 847230, 874560, 903712, 1016676, 1129640, 1270845, 1311840, 1355568, 1694460, 1807424, 2033352, 2259280, 2541690, 2623680, 2711136, 3388920, 4066704, 4518560, 5083380, 5422272, 6777840, 8133408, 9037120, 10166760, 13555680, 16266816, 20333520, 27111360, 40667040, 81334080]

約数ペア:

[(1, 81334080), (2, 40667040), (3, 27111360), (4, 20333520), (5, 16266816), (6, 13555680), (8, 10166760), (9, 9037120), (10, 8133408), (12, 6777840), (15, 5422272), (16, 5083380), (18, 4518560), (20, 4066704), (24, 3388920), (30, 2711136), (31, 2623680), (32, 2541690), (36, 2259280), (40, 2033352), (45, 1807424), (48, 1694460), (60, 1355568), (62, 1311840), (64, 1270845), (72, 1129640), (80, 1016676), (90, 903712), (93, 874560), (96, 847230), (120, 677784), (124, 655920), (144, 564820), (155, 524736), (160, 508338), (180, 451856), (186, 437280), (192, 423615), (240, 338892), (248, 327960), (279, 291520), (288, 282410), (310, 262368), (320, 254169), (360, 225928), (372, 218640), (465, 174912), (480, 169446), (496, 163980), (558, 145760), (576, 141205), (620, 131184), (720, 112964), (744, 109320), (911, 89280), (930, 87456), (960, 84723), (992, 81990), (1116, 72880), (1240, 65592), (1395, 58304), (1440, 56482), (1488, 54660), (1822, 44640), (1860, 43728), (1984, 40995), (2232, 36440), (2480, 32796), (2733, 29760), (2790, 29152), (2880, 28241), (2976, 27330), (3644, 22320), (3720, 21864), (4464, 18220), (4555, 17856), (4960, 16398), (5466, 14880), (5580, 14576), (5952, 13665), (7288, 11160), (7440, 10932), (8199, 9920), (8928, 9110)]