129541680

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19991}}^1$

素因数の和:20016

約数の個数: 100

約数和(自身を含む): 449939952

約数和(自身を除く): 320398272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 19991, 39982, 59973, 79964, 99955, 119946, 159928, 179919, 199910, 239892, 299865, 319856, 359838, 399820, 479784, 539757, 599730, 719676, 799640, 899595, 959568, 1079514, 1199460, 1439352, 1599280, 1619271, 1799190, 2159028, 2398920, 2698785, 2878704, 3238542, 3598380, 4318056, 4797840, 5397570, 6477084, 7196760, 8096355, 8636112, 10795140, 12954168, 14393520, 16192710, 21590280, 25908336, 32385420, 43180560, 64770840, 129541680]

約数ペア:

[(1, 129541680), (2, 64770840), (3, 43180560), (4, 32385420), (5, 25908336), (6, 21590280), (8, 16192710), (9, 14393520), (10, 12954168), (12, 10795140), (15, 8636112), (16, 8096355), (18, 7196760), (20, 6477084), (24, 5397570), (27, 4797840), (30, 4318056), (36, 3598380), (40, 3238542), (45, 2878704), (48, 2698785), (54, 2398920), (60, 2159028), (72, 1799190), (80, 1619271), (81, 1599280), (90, 1439352), (108, 1199460), (120, 1079514), (135, 959568), (144, 899595), (162, 799640), (180, 719676), (216, 599730), (240, 539757), (270, 479784), (324, 399820), (360, 359838), (405, 319856), (432, 299865), (540, 239892), (648, 199910), (720, 179919), (810, 159928), (1080, 119946), (1296, 99955), (1620, 79964), (2160, 59973), (3240, 39982), (6480, 19991)]