2060520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 7741440

約数和(自身を除く): 5680920

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, 223, 231, 264, 280, 308, 330, 385, 420, 440, 446, 462, 616, 660, 669, 770, 840, 892, 924, 1115, 1155, 1320, 1338, 1540, 1561, 1784, 1848, 2230, 2310, 2453, 2676, 3080, 3122, 3345, 4460, 4620, 4683, 4906, 5352, 6244, 6690, 7359, 7805, 8920, 9240, 9366, 9812, 12265, 12488, 13380, 14718, 15610, 17171, 18732, 19624, 23415, 24530, 26760, 29436, 31220, 34342, 36795, 37464, 46830, 49060, 51513, 58872, 62440, 68684, 73590, 85855, 93660, 98120, 103026, 137368, 147180, 171710, 187320, 206052, 257565, 294360, 343420, 412104, 515130, 686840, 1030260, 2060520]

約数ペア:

[(1, 2060520), (2, 1030260), (3, 686840), (4, 515130), (5, 412104), (6, 343420), (7, 294360), (8, 257565), (10, 206052), (11, 187320), (12, 171710), (14, 147180), (15, 137368), (20, 103026), (21, 98120), (22, 93660), (24, 85855), (28, 73590), (30, 68684), (33, 62440), (35, 58872), (40, 51513), (42, 49060), (44, 46830), (55, 37464), (56, 36795), (60, 34342), (66, 31220), (70, 29436), (77, 26760), (84, 24530), (88, 23415), (105, 19624), (110, 18732), (120, 17171), (132, 15610), (140, 14718), (154, 13380), (165, 12488), (168, 12265), (210, 9812), (220, 9366), (223, 9240), (231, 8920), (264, 7805), (280, 7359), (308, 6690), (330, 6244), (385, 5352), (420, 4906), (440, 4683), (446, 4620), (462, 4460), (616, 3345), (660, 3122), (669, 3080), (770, 2676), (840, 2453), (892, 2310), (924, 2230), (1115, 1848), (1155, 1784), (1320, 1561), (1338, 1540)]