280999680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{433}}^1$

素因数の和:483

約数の個数: 216

約数和(自身を含む): 974031408

約数和(自身を除く): 693031728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 169, 192, 195, 208, 240, 256, 260, 312, 320, 338, 384, 390, 416, 433, 480, 507, 520, 624, 640, 676, 768, 780, 832, 845, 866, 960, 1014, 1040, 1248, 1280, 1299, 1352, 1560, 1664, 1690, 1732, 1920, 2028, 2080, 2165, 2496, 2535, 2598, 2704, 3120, 3328, 3380, 3464, 3840, 4056, 4160, 4330, 4992, 5070, 5196, 5408, 5629, 6240, 6495, 6760, 6928, 8112, 8320, 8660, 9984, 10140, 10392, 10816, 11258, 12480, 12990, 13520, 13856, 16224, 16640, 16887, 17320, 20280, 20784, 21632, 22516, 24960, 25980, 27040, 27712, 28145, 32448, 33774, 34640, 40560, 41568, 43264, 45032, 49920, 51960, 54080, 55424, 56290, 64896, 67548, 69280, 73177, 81120, 83136, 84435, 90064, 103920, 108160, 110848, 112580, 129792, 135096, 138560, 146354, 162240, 166272, 168870, 180128, 207840, 216320, 219531, 225160, 270192, 277120, 292708, 324480, 332544, 337740, 360256, 365885, 415680, 439062, 450320, 540384, 554240, 585416, 648960, 675480, 720512, 731770, 831360, 878124, 900640, 1080768, 1097655, 1170832, 1350960, 1441024, 1463540, 1662720, 1756248, 1801280, 2161536, 2195310, 2341664, 2701920, 2927080, 3512496, 3602560, 4323072, 4390620, 4683328, 5403840, 5854160, 7024992, 7205120, 8781240, 9366656, 10807680, 11708320, 14049984, 17562480, 18733312, 21615360, 23416640, 28099968, 35124960, 46833280, 56199936, 70249920, 93666560, 140499840, 280999680]

約数ペア:

[(1, 280999680), (2, 140499840), (3, 93666560), (4, 70249920), (5, 56199936), (6, 46833280), (8, 35124960), (10, 28099968), (12, 23416640), (13, 21615360), (15, 18733312), (16, 17562480), (20, 14049984), (24, 11708320), (26, 10807680), (30, 9366656), (32, 8781240), (39, 7205120), (40, 7024992), (48, 5854160), (52, 5403840), (60, 4683328), (64, 4390620), (65, 4323072), (78, 3602560), (80, 3512496), (96, 2927080), (104, 2701920), (120, 2341664), (128, 2195310), (130, 2161536), (156, 1801280), (160, 1756248), (169, 1662720), (192, 1463540), (195, 1441024), (208, 1350960), (240, 1170832), (256, 1097655), (260, 1080768), (312, 900640), (320, 878124), (338, 831360), (384, 731770), (390, 720512), (416, 675480), (433, 648960), (480, 585416), (507, 554240), (520, 540384), (624, 450320), (640, 439062), (676, 415680), (768, 365885), (780, 360256), (832, 337740), (845, 332544), (866, 324480), (960, 292708), (1014, 277120), (1040, 270192), (1248, 225160), (1280, 219531), (1299, 216320), (1352, 207840), (1560, 180128), (1664, 168870), (1690, 166272), (1732, 162240), (1920, 146354), (2028, 138560), (2080, 135096), (2165, 129792), (2496, 112580), (2535, 110848), (2598, 108160), (2704, 103920), (3120, 90064), (3328, 84435), (3380, 83136), (3464, 81120), (3840, 73177), (4056, 69280), (4160, 67548), (4330, 64896), (4992, 56290), (5070, 55424), (5196, 54080), (5408, 51960), (5629, 49920), (6240, 45032), (6495, 43264), (6760, 41568), (6928, 40560), (8112, 34640), (8320, 33774), (8660, 32448), (9984, 28145), (10140, 27712), (10392, 27040), (10816, 25980), (11258, 24960), (12480, 22516), (12990, 21632), (13520, 20784), (13856, 20280), (16224, 17320), (16640, 16887)]