261679600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 270

約数和(自身を含む): 801935280

約数和(自身を除く): 540255680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 79, 80, 91, 98, 100, 104, 112, 130, 140, 158, 169, 175, 182, 196, 200, 208, 245, 260, 280, 316, 325, 338, 350, 364, 392, 395, 400, 455, 490, 520, 553, 560, 632, 637, 650, 676, 700, 728, 784, 790, 845, 910, 980, 1027, 1040, 1106, 1183, 1225, 1264, 1274, 1300, 1352, 1400, 1456, 1580, 1690, 1820, 1960, 1975, 2054, 2212, 2275, 2366, 2450, 2548, 2600, 2704, 2765, 2800, 3160, 3185, 3380, 3640, 3871, 3920, 3950, 4108, 4225, 4424, 4550, 4732, 4900, 5096, 5135, 5200, 5530, 5915, 6320, 6370, 6760, 7189, 7280, 7742, 7900, 8216, 8281, 8450, 8848, 9100, 9464, 9800, 10192, 10270, 11060, 11830, 12740, 13351, 13520, 13825, 14378, 15484, 15800, 15925, 16432, 16562, 16900, 18200, 18928, 19355, 19600, 20540, 22120, 23660, 25480, 25675, 26702, 27650, 28756, 29575, 30968, 31600, 31850, 33124, 33800, 35945, 36400, 38710, 41080, 41405, 44240, 47320, 50323, 50960, 51350, 53404, 55300, 57512, 59150, 61936, 63700, 66248, 66755, 67600, 71890, 77420, 82160, 82810, 93457, 94640, 96775, 100646, 102700, 106808, 110600, 115024, 118300, 127400, 132496, 133510, 143780, 154840, 165620, 179725, 186914, 193550, 201292, 205400, 207025, 213616, 221200, 236600, 251615, 254800, 267020, 287560, 309680, 331240, 333775, 359450, 373828, 387100, 402584, 410800, 414050, 467285, 473200, 503230, 534040, 575120, 654199, 662480, 667550, 718900, 747656, 774200, 805168, 828100, 934570, 1006460, 1068080, 1258075, 1308398, 1335100, 1437800, 1495312, 1548400, 1656200, 1869140, 2012920, 2336425, 2516150, 2616796, 2670200, 2875600, 3270995, 3312400, 3738280, 4025840, 4672850, 5032300, 5233592, 5340400, 6541990, 7476560, 9345700, 10064600, 10467184, 13083980, 16354975, 18691400, 20129200, 26167960, 32709950, 37382800, 52335920, 65419900, 130839800, 261679600]

約数ペア:

[(1, 261679600), (2, 130839800), (4, 65419900), (5, 52335920), (7, 37382800), (8, 32709950), (10, 26167960), (13, 20129200), (14, 18691400), (16, 16354975), (20, 13083980), (25, 10467184), (26, 10064600), (28, 9345700), (35, 7476560), (40, 6541990), (49, 5340400), (50, 5233592), (52, 5032300), (56, 4672850), (65, 4025840), (70, 3738280), (79, 3312400), (80, 3270995), (91, 2875600), (98, 2670200), (100, 2616796), (104, 2516150), (112, 2336425), (130, 2012920), (140, 1869140), (158, 1656200), (169, 1548400), (175, 1495312), (182, 1437800), (196, 1335100), (200, 1308398), (208, 1258075), (245, 1068080), (260, 1006460), (280, 934570), (316, 828100), (325, 805168), (338, 774200), (350, 747656), (364, 718900), (392, 667550), (395, 662480), (400, 654199), (455, 575120), (490, 534040), (520, 503230), (553, 473200), (560, 467285), (632, 414050), (637, 410800), (650, 402584), (676, 387100), (700, 373828), (728, 359450), (784, 333775), (790, 331240), (845, 309680), (910, 287560), (980, 267020), (1027, 254800), (1040, 251615), (1106, 236600), (1183, 221200), (1225, 213616), (1264, 207025), (1274, 205400), (1300, 201292), (1352, 193550), (1400, 186914), (1456, 179725), (1580, 165620), (1690, 154840), (1820, 143780), (1960, 133510), (1975, 132496), (2054, 127400), (2212, 118300), (2275, 115024), (2366, 110600), (2450, 106808), (2548, 102700), (2600, 100646), (2704, 96775), (2765, 94640), (2800, 93457), (3160, 82810), (3185, 82160), (3380, 77420), (3640, 71890), (3871, 67600), (3920, 66755), (3950, 66248), (4108, 63700), (4225, 61936), (4424, 59150), (4550, 57512), (4732, 55300), (4900, 53404), (5096, 51350), (5135, 50960), (5200, 50323), (5530, 47320), (5915, 44240), (6320, 41405), (6370, 41080), (6760, 38710), (7189, 36400), (7280, 35945), (7742, 33800), (7900, 33124), (8216, 31850), (8281, 31600), (8450, 30968), (8848, 29575), (9100, 28756), (9464, 27650), (9800, 26702), (10192, 25675), (10270, 25480), (11060, 23660), (11830, 22120), (12740, 20540), (13351, 19600), (13520, 19355), (13825, 18928), (14378, 18200), (15484, 16900), (15800, 16562), (15925, 16432)]