255578580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17107}}^1$

素因数の和:17205

約数の個数: 72

約数和(自身を含む): 784641312

約数和(自身を除く): 529062732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 14940, 17107, 34214, 51321, 68428, 85535, 102642, 153963, 171070, 205284, 256605, 307926, 342140, 513210, 615852, 769815, 1026420, 1419881, 1539630, 2839762, 3079260, 4259643, 5679524, 7099405, 8519286, 12778929, 14198810, 17038572, 21298215, 25557858, 28397620, 42596430, 51115716, 63894645, 85192860, 127789290, 255578580]

約数ペア:

[(1, 255578580), (2, 127789290), (3, 85192860), (4, 63894645), (5, 51115716), (6, 42596430), (9, 28397620), (10, 25557858), (12, 21298215), (15, 17038572), (18, 14198810), (20, 12778929), (30, 8519286), (36, 7099405), (45, 5679524), (60, 4259643), (83, 3079260), (90, 2839762), (166, 1539630), (180, 1419881), (249, 1026420), (332, 769815), (415, 615852), (498, 513210), (747, 342140), (830, 307926), (996, 256605), (1245, 205284), (1494, 171070), (1660, 153963), (2490, 102642), (2988, 85535), (3735, 68428), (4980, 51321), (7470, 34214), (14940, 17107)]