312641280

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{3877}}^1$

素因数の和:3911

約数の個数: 216

約数和(自身を含む): 1236554592

約数和(自身を除く): 923913312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 3877, 4032, 4480, 5040, 5376, 5760, 6720, 7754, 8064, 8960, 10080, 11520, 11631, 13440, 15508, 16128, 19385, 20160, 23262, 26880, 27139, 31016, 34893, 38770, 40320, 46524, 54278, 58155, 62032, 69786, 77540, 80640, 81417, 93048, 108556, 116310, 124064, 135695, 139572, 155080, 162834, 174465, 186096, 217112, 232620, 244251, 248128, 271390, 279144, 310160, 325668, 348930, 372192, 407085, 434224, 465240, 488502, 496256, 542780, 558288, 620320, 651336, 697860, 744384, 814170, 868448, 930480, 977004, 992512, 1085560, 1116576, 1221255, 1240640, 1302672, 1395720, 1488768, 1628340, 1736896, 1860960, 1954008, 2171120, 2233152, 2442510, 2481280, 2605344, 2791440, 2977536, 3256680, 3473792, 3721920, 3908016, 4342240, 4466304, 4885020, 4962560, 5210688, 5582880, 6513360, 6947584, 7443840, 7816032, 8684480, 8932608, 9770040, 10421376, 11165760, 13026720, 14887680, 15632064, 17368960, 19540080, 20842752, 22331520, 26053440, 31264128, 34737920, 39080160, 44663040, 52106880, 62528256, 78160320, 104213760, 156320640, 312641280]

約数ペア:

[(1, 312641280), (2, 156320640), (3, 104213760), (4, 78160320), (5, 62528256), (6, 52106880), (7, 44663040), (8, 39080160), (9, 34737920), (10, 31264128), (12, 26053440), (14, 22331520), (15, 20842752), (16, 19540080), (18, 17368960), (20, 15632064), (21, 14887680), (24, 13026720), (28, 11165760), (30, 10421376), (32, 9770040), (35, 8932608), (36, 8684480), (40, 7816032), (42, 7443840), (45, 6947584), (48, 6513360), (56, 5582880), (60, 5210688), (63, 4962560), (64, 4885020), (70, 4466304), (72, 4342240), (80, 3908016), (84, 3721920), (90, 3473792), (96, 3256680), (105, 2977536), (112, 2791440), (120, 2605344), (126, 2481280), (128, 2442510), (140, 2233152), (144, 2171120), (160, 1954008), (168, 1860960), (180, 1736896), (192, 1628340), (210, 1488768), (224, 1395720), (240, 1302672), (252, 1240640), (256, 1221255), (280, 1116576), (288, 1085560), (315, 992512), (320, 977004), (336, 930480), (360, 868448), (384, 814170), (420, 744384), (448, 697860), (480, 651336), (504, 620320), (560, 558288), (576, 542780), (630, 496256), (640, 488502), (672, 465240), (720, 434224), (768, 407085), (840, 372192), (896, 348930), (960, 325668), (1008, 310160), (1120, 279144), (1152, 271390), (1260, 248128), (1280, 244251), (1344, 232620), (1440, 217112), (1680, 186096), (1792, 174465), (1920, 162834), (2016, 155080), (2240, 139572), (2304, 135695), (2520, 124064), (2688, 116310), (2880, 108556), (3360, 93048), (3840, 81417), (3877, 80640), (4032, 77540), (4480, 69786), (5040, 62032), (5376, 58155), (5760, 54278), (6720, 46524), (7754, 40320), (8064, 38770), (8960, 34893), (10080, 31016), (11520, 27139), (11631, 26880), (13440, 23262), (15508, 20160), (16128, 19385)]