201621768

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:915

約数の個数: 128

約数和(自身を含む): 580608000

約数和(自身を除く): 378986232

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 31, 34, 38, 51, 57, 62, 68, 76, 93, 102, 114, 124, 136, 152, 186, 204, 228, 248, 323, 372, 408, 456, 527, 589, 646, 744, 839, 969, 1054, 1178, 1292, 1581, 1678, 1767, 1938, 2108, 2356, 2517, 2584, 3162, 3356, 3534, 3876, 4216, 4712, 5034, 6324, 6712, 7068, 7752, 10013, 10068, 12648, 14136, 14263, 15941, 20026, 20136, 26009, 28526, 30039, 31882, 40052, 42789, 47823, 52018, 57052, 60078, 63764, 78027, 80104, 85578, 95646, 104036, 114104, 120156, 127528, 156054, 171156, 191292, 208072, 240312, 270997, 312108, 342312, 382584, 442153, 494171, 541994, 624216, 812991, 884306, 988342, 1083988, 1326459, 1482513, 1625982, 1768612, 1976684, 2167976, 2652918, 2965026, 3251964, 3537224, 3953368, 5305836, 5930052, 6503928, 8400907, 10611672, 11860104, 16801814, 25202721, 33603628, 50405442, 67207256, 100810884, 201621768]

約数ペア:

[(1, 201621768), (2, 100810884), (3, 67207256), (4, 50405442), (6, 33603628), (8, 25202721), (12, 16801814), (17, 11860104), (19, 10611672), (24, 8400907), (31, 6503928), (34, 5930052), (38, 5305836), (51, 3953368), (57, 3537224), (62, 3251964), (68, 2965026), (76, 2652918), (93, 2167976), (102, 1976684), (114, 1768612), (124, 1625982), (136, 1482513), (152, 1326459), (186, 1083988), (204, 988342), (228, 884306), (248, 812991), (323, 624216), (372, 541994), (408, 494171), (456, 442153), (527, 382584), (589, 342312), (646, 312108), (744, 270997), (839, 240312), (969, 208072), (1054, 191292), (1178, 171156), (1292, 156054), (1581, 127528), (1678, 120156), (1767, 114104), (1938, 104036), (2108, 95646), (2356, 85578), (2517, 80104), (2584, 78027), (3162, 63764), (3356, 60078), (3534, 57052), (3876, 52018), (4216, 47823), (4712, 42789), (5034, 40052), (6324, 31882), (6712, 30039), (7068, 28526), (7752, 26009), (10013, 20136), (10068, 20026), (12648, 15941), (14136, 14263)]