2786164480

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{457}}^1$

素因数の和:922

約数の個数: 144

約数和(自身を含む): 7313219424

約数和(自身を除く): 4527054944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 433, 440, 457, 640, 704, 866, 880, 914, 1280, 1408, 1732, 1760, 1828, 2165, 2285, 2816, 3464, 3520, 3656, 4330, 4570, 4763, 5027, 6928, 7040, 7312, 8660, 9140, 9526, 10054, 13856, 14080, 14624, 17320, 18280, 19052, 20108, 23815, 25135, 27712, 29248, 34640, 36560, 38104, 40216, 47630, 50270, 55424, 58496, 69280, 73120, 76208, 80432, 95260, 100540, 110848, 116992, 138560, 146240, 152416, 160864, 190520, 197881, 201080, 277120, 292480, 304832, 321728, 381040, 395762, 402160, 554240, 584960, 609664, 643456, 762080, 791524, 804320, 989405, 1219328, 1286912, 1524160, 1583048, 1608640, 1978810, 2176691, 3048320, 3166096, 3217280, 3957620, 4353382, 6096640, 6332192, 6434560, 7915240, 8706764, 10883455, 12664384, 15830480, 17413528, 21766910, 25328768, 31660960, 34827056, 43533820, 50657536, 63321920, 69654112, 87067640, 126643840, 139308224, 174135280, 253287680, 278616448, 348270560, 557232896, 696541120, 1393082240, 2786164480]

約数ペア:

[(1, 2786164480), (2, 1393082240), (4, 696541120), (5, 557232896), (8, 348270560), (10, 278616448), (11, 253287680), (16, 174135280), (20, 139308224), (22, 126643840), (32, 87067640), (40, 69654112), (44, 63321920), (55, 50657536), (64, 43533820), (80, 34827056), (88, 31660960), (110, 25328768), (128, 21766910), (160, 17413528), (176, 15830480), (220, 12664384), (256, 10883455), (320, 8706764), (352, 7915240), (433, 6434560), (440, 6332192), (457, 6096640), (640, 4353382), (704, 3957620), (866, 3217280), (880, 3166096), (914, 3048320), (1280, 2176691), (1408, 1978810), (1732, 1608640), (1760, 1583048), (1828, 1524160), (2165, 1286912), (2285, 1219328), (2816, 989405), (3464, 804320), (3520, 791524), (3656, 762080), (4330, 643456), (4570, 609664), (4763, 584960), (5027, 554240), (6928, 402160), (7040, 395762), (7312, 381040), (8660, 321728), (9140, 304832), (9526, 292480), (10054, 277120), (13856, 201080), (14080, 197881), (14624, 190520), (17320, 160864), (18280, 152416), (19052, 146240), (20108, 138560), (23815, 116992), (25135, 110848), (27712, 100540), (29248, 95260), (34640, 80432), (36560, 76208), (38104, 73120), (40216, 69280), (47630, 58496), (50270, 55424)]