261963240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28351}}^1$

素因数の和:28383

約数の個数: 128

約数和(自身を含む): 979845120

約数和(自身を除く): 717881880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 28351, 56702, 85053, 113404, 141755, 170106, 198457, 226808, 283510, 311861, 340212, 396914, 425265, 567020, 595371, 623722, 680424, 793828, 850530, 935583, 992285, 1134040, 1190742, 1247444, 1559305, 1587656, 1701060, 1871166, 1984570, 2183027, 2381484, 2494888, 2976855, 3118610, 3402120, 3742332, 3969140, 4366054, 4677915, 4762968, 5953710, 6237220, 6549081, 7484664, 7938280, 8732108, 9355830, 10915135, 11907420, 12474440, 13098162, 17464216, 18711660, 21830270, 23814840, 26196324, 32745405, 37423320, 43660540, 52392648, 65490810, 87321080, 130981620, 261963240]

約数ペア:

[(1, 261963240), (2, 130981620), (3, 87321080), (4, 65490810), (5, 52392648), (6, 43660540), (7, 37423320), (8, 32745405), (10, 26196324), (11, 23814840), (12, 21830270), (14, 18711660), (15, 17464216), (20, 13098162), (21, 12474440), (22, 11907420), (24, 10915135), (28, 9355830), (30, 8732108), (33, 7938280), (35, 7484664), (40, 6549081), (42, 6237220), (44, 5953710), (55, 4762968), (56, 4677915), (60, 4366054), (66, 3969140), (70, 3742332), (77, 3402120), (84, 3118610), (88, 2976855), (105, 2494888), (110, 2381484), (120, 2183027), (132, 1984570), (140, 1871166), (154, 1701060), (165, 1587656), (168, 1559305), (210, 1247444), (220, 1190742), (231, 1134040), (264, 992285), (280, 935583), (308, 850530), (330, 793828), (385, 680424), (420, 623722), (440, 595371), (462, 567020), (616, 425265), (660, 396914), (770, 340212), (840, 311861), (924, 283510), (1155, 226808), (1320, 198457), (1540, 170106), (1848, 141755), (2310, 113404), (3080, 85053), (4620, 56702), (9240, 28351)]