263205560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{16829}}^1$

素因数の和:16880

約数の個数: 64

約数和(自身を含む): 654350400

約数和(自身を除く): 391144840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3910, 7820, 15640, 16829, 33658, 67316, 84145, 134632, 168290, 286093, 336580, 387067, 572186, 673160, 774134, 1144372, 1430465, 1548268, 1935335, 2288744, 2860930, 3096536, 3870670, 5721860, 6580139, 7741340, 11443720, 13160278, 15482680, 26320556, 32900695, 52641112, 65801390, 131602780, 263205560]

約数ペア:

[(1, 263205560), (2, 131602780), (4, 65801390), (5, 52641112), (8, 32900695), (10, 26320556), (17, 15482680), (20, 13160278), (23, 11443720), (34, 7741340), (40, 6580139), (46, 5721860), (68, 3870670), (85, 3096536), (92, 2860930), (115, 2288744), (136, 1935335), (170, 1548268), (184, 1430465), (230, 1144372), (340, 774134), (391, 673160), (460, 572186), (680, 387067), (782, 336580), (920, 286093), (1564, 168290), (1955, 134632), (3128, 84145), (3910, 67316), (7820, 33658), (15640, 16829)]