261625140

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{23071}}^1$

素因数の和:23099

約数の個数: 120

約数和(自身を含む): 938015232

約数和(自身を除く): 676390092

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 23071, 46142, 69213, 92284, 115355, 138426, 161497, 207639, 230710, 276852, 322994, 346065, 415278, 461420, 484491, 622917, 645988, 692130, 807485, 830556, 968982, 1038195, 1245834, 1384260, 1453473, 1614970, 1868751, 1937964, 2076390, 2422455, 2491668, 2906946, 3114585, 3229940, 3737502, 4152780, 4360419, 4844910, 5813892, 6229170, 7267365, 7475004, 8720838, 9343755, 9689820, 12458340, 13081257, 14534730, 17441676, 18687510, 21802095, 26162514, 29069460, 37375020, 43604190, 52325028, 65406285, 87208380, 130812570, 261625140]

約数ペア:

[(1, 261625140), (2, 130812570), (3, 87208380), (4, 65406285), (5, 52325028), (6, 43604190), (7, 37375020), (9, 29069460), (10, 26162514), (12, 21802095), (14, 18687510), (15, 17441676), (18, 14534730), (20, 13081257), (21, 12458340), (27, 9689820), (28, 9343755), (30, 8720838), (35, 7475004), (36, 7267365), (42, 6229170), (45, 5813892), (54, 4844910), (60, 4360419), (63, 4152780), (70, 3737502), (81, 3229940), (84, 3114585), (90, 2906946), (105, 2491668), (108, 2422455), (126, 2076390), (135, 1937964), (140, 1868751), (162, 1614970), (180, 1453473), (189, 1384260), (210, 1245834), (252, 1038195), (270, 968982), (315, 830556), (324, 807485), (378, 692130), (405, 645988), (420, 622917), (540, 484491), (567, 461420), (630, 415278), (756, 346065), (810, 322994), (945, 276852), (1134, 230710), (1260, 207639), (1620, 161497), (1890, 138426), (2268, 115355), (2835, 92284), (3780, 69213), (5670, 46142), (11340, 23071)]