278933760

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{1153}}^1$

素因数の和:1190

約数の個数: 288

約数和(自身を含む): 1132212480

約数和(自身を除く): 853278720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1153, 1260, 1280, 1344, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2306, 2520, 2688, 2880, 3024, 3360, 3456, 3459, 3780, 3840, 4032, 4320, 4480, 4612, 5040, 5376, 5760, 5765, 6048, 6720, 6912, 6918, 7560, 8064, 8071, 8640, 8960, 9224, 10080, 10377, 11520, 11530, 12096, 13440, 13836, 15120, 16128, 16142, 17280, 17295, 18448, 20160, 20754, 23060, 24192, 24213, 26880, 27672, 30240, 31131, 32284, 34560, 34590, 36896, 40320, 40355, 41508, 46120, 48384, 48426, 51885, 55344, 60480, 62262, 64568, 69180, 72639, 73792, 80640, 80710, 83016, 92240, 96852, 103770, 110688, 120960, 121065, 124524, 129136, 138360, 145278, 147584, 155655, 161420, 166032, 184480, 193704, 207540, 217917, 221376, 241920, 242130, 249048, 258272, 276720, 290556, 295168, 311310, 322840, 332064, 363195, 368960, 387408, 415080, 435834, 442752, 484260, 498096, 516544, 553440, 581112, 622620, 645680, 664128, 726390, 737920, 774816, 830160, 871668, 885504, 968520, 996192, 1033088, 1089585, 1106880, 1162224, 1245240, 1291360, 1328256, 1452780, 1475840, 1549632, 1660320, 1743336, 1937040, 1992384, 2066176, 2179170, 2213760, 2324448, 2490480, 2582720, 2656512, 2905560, 3099264, 3320640, 3486672, 3874080, 3984768, 4358340, 4427520, 4648896, 4980960, 5165440, 5811120, 6198528, 6641280, 6973344, 7748160, 7969536, 8716680, 9297792, 9961920, 10330880, 11622240, 13282560, 13946688, 15496320, 17433360, 18595584, 19923840, 23244480, 27893376, 30992640, 34866720, 39847680, 46488960, 55786752, 69733440, 92977920, 139466880, 278933760]

約数ペア:

[(1, 278933760), (2, 139466880), (3, 92977920), (4, 69733440), (5, 55786752), (6, 46488960), (7, 39847680), (8, 34866720), (9, 30992640), (10, 27893376), (12, 23244480), (14, 19923840), (15, 18595584), (16, 17433360), (18, 15496320), (20, 13946688), (21, 13282560), (24, 11622240), (27, 10330880), (28, 9961920), (30, 9297792), (32, 8716680), (35, 7969536), (36, 7748160), (40, 6973344), (42, 6641280), (45, 6198528), (48, 5811120), (54, 5165440), (56, 4980960), (60, 4648896), (63, 4427520), (64, 4358340), (70, 3984768), (72, 3874080), (80, 3486672), (84, 3320640), (90, 3099264), (96, 2905560), (105, 2656512), (108, 2582720), (112, 2490480), (120, 2324448), (126, 2213760), (128, 2179170), (135, 2066176), (140, 1992384), (144, 1937040), (160, 1743336), (168, 1660320), (180, 1549632), (189, 1475840), (192, 1452780), (210, 1328256), (216, 1291360), (224, 1245240), (240, 1162224), (252, 1106880), (256, 1089585), (270, 1033088), (280, 996192), (288, 968520), (315, 885504), (320, 871668), (336, 830160), (360, 774816), (378, 737920), (384, 726390), (420, 664128), (432, 645680), (448, 622620), (480, 581112), (504, 553440), (540, 516544), (560, 498096), (576, 484260), (630, 442752), (640, 435834), (672, 415080), (720, 387408), (756, 368960), (768, 363195), (840, 332064), (864, 322840), (896, 311310), (945, 295168), (960, 290556), (1008, 276720), (1080, 258272), (1120, 249048), (1152, 242130), (1153, 241920), (1260, 221376), (1280, 217917), (1344, 207540), (1440, 193704), (1512, 184480), (1680, 166032), (1728, 161420), (1792, 155655), (1890, 147584), (1920, 145278), (2016, 138360), (2160, 129136), (2240, 124524), (2304, 121065), (2306, 120960), (2520, 110688), (2688, 103770), (2880, 96852), (3024, 92240), (3360, 83016), (3456, 80710), (3459, 80640), (3780, 73792), (3840, 72639), (4032, 69180), (4320, 64568), (4480, 62262), (4612, 60480), (5040, 55344), (5376, 51885), (5760, 48426), (5765, 48384), (6048, 46120), (6720, 41508), (6912, 40355), (6918, 40320), (7560, 36896), (8064, 34590), (8071, 34560), (8640, 32284), (8960, 31131), (9224, 30240), (10080, 27672), (10377, 26880), (11520, 24213), (11530, 24192), (12096, 23060), (13440, 20754), (13836, 20160), (15120, 18448), (16128, 17295), (16142, 17280)]