280423080

素因数分解:

$2^3\times 3^3\times 5^1\times 7^3\times {\mathrm{757}}^1$

素因数の和:798

約数の個数: 256

約数和(自身を含む): 1091520000

約数和(自身を除く): 811096920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 343, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 686, 735, 756, 757, 840, 882, 945, 980, 1029, 1080, 1176, 1260, 1323, 1372, 1470, 1512, 1514, 1715, 1764, 1890, 1960, 2058, 2205, 2271, 2520, 2646, 2744, 2940, 3028, 3087, 3430, 3528, 3780, 3785, 4116, 4410, 4542, 5145, 5292, 5299, 5880, 6056, 6174, 6615, 6813, 6860, 7560, 7570, 8232, 8820, 9084, 9261, 10290, 10584, 10598, 11355, 12348, 13230, 13626, 13720, 15140, 15435, 15897, 17640, 18168, 18522, 20439, 20580, 21196, 22710, 24696, 26460, 26495, 27252, 30280, 30870, 31794, 34065, 37044, 37093, 40878, 41160, 42392, 45420, 46305, 47691, 52920, 52990, 54504, 61740, 63588, 68130, 74088, 74186, 79485, 81756, 90840, 92610, 95382, 102195, 105980, 111279, 123480, 127176, 136260, 143073, 148372, 158970, 163512, 185220, 185465, 190764, 204390, 211960, 222558, 238455, 259651, 272520, 286146, 296744, 317940, 333837, 370440, 370930, 381528, 408780, 445116, 476910, 519302, 556395, 572292, 635880, 667674, 715365, 741860, 778953, 817560, 890232, 953820, 1001511, 1038604, 1112790, 1144584, 1298255, 1335348, 1430730, 1483720, 1557906, 1669185, 1907640, 2003022, 2077208, 2225580, 2336859, 2596510, 2670696, 2861460, 3115812, 3338370, 3894765, 4006044, 4451160, 4673718, 5007555, 5193020, 5722920, 6231624, 6676740, 7010577, 7789530, 8012088, 9347436, 10015110, 10386040, 11684295, 13353480, 14021154, 15579060, 18694872, 20030220, 23368590, 28042308, 31158120, 35052885, 40060440, 46737180, 56084616, 70105770, 93474360, 140211540, 280423080]

約数ペア:

[(1, 280423080), (2, 140211540), (3, 93474360), (4, 70105770), (5, 56084616), (6, 46737180), (7, 40060440), (8, 35052885), (9, 31158120), (10, 28042308), (12, 23368590), (14, 20030220), (15, 18694872), (18, 15579060), (20, 14021154), (21, 13353480), (24, 11684295), (27, 10386040), (28, 10015110), (30, 9347436), (35, 8012088), (36, 7789530), (40, 7010577), (42, 6676740), (45, 6231624), (49, 5722920), (54, 5193020), (56, 5007555), (60, 4673718), (63, 4451160), (70, 4006044), (72, 3894765), (84, 3338370), (90, 3115812), (98, 2861460), (105, 2670696), (108, 2596510), (120, 2336859), (126, 2225580), (135, 2077208), (140, 2003022), (147, 1907640), (168, 1669185), (180, 1557906), (189, 1483720), (196, 1430730), (210, 1335348), (216, 1298255), (245, 1144584), (252, 1112790), (270, 1038604), (280, 1001511), (294, 953820), (315, 890232), (343, 817560), (360, 778953), (378, 741860), (392, 715365), (420, 667674), (441, 635880), (490, 572292), (504, 556395), (540, 519302), (588, 476910), (630, 445116), (686, 408780), (735, 381528), (756, 370930), (757, 370440), (840, 333837), (882, 317940), (945, 296744), (980, 286146), (1029, 272520), (1080, 259651), (1176, 238455), (1260, 222558), (1323, 211960), (1372, 204390), (1470, 190764), (1512, 185465), (1514, 185220), (1715, 163512), (1764, 158970), (1890, 148372), (1960, 143073), (2058, 136260), (2205, 127176), (2271, 123480), (2520, 111279), (2646, 105980), (2744, 102195), (2940, 95382), (3028, 92610), (3087, 90840), (3430, 81756), (3528, 79485), (3780, 74186), (3785, 74088), (4116, 68130), (4410, 63588), (4542, 61740), (5145, 54504), (5292, 52990), (5299, 52920), (5880, 47691), (6056, 46305), (6174, 45420), (6615, 42392), (6813, 41160), (6860, 40878), (7560, 37093), (7570, 37044), (8232, 34065), (8820, 31794), (9084, 30870), (9261, 30280), (10290, 27252), (10584, 26495), (10598, 26460), (11355, 24696), (12348, 22710), (13230, 21196), (13626, 20580), (13720, 20439), (15140, 18522), (15435, 18168), (15897, 17640)]