252445440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 216

約数和(自身を含む): 875281680

約数和(自身を除く): 622836240

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, 389, 390, 416, 480, 507, 520, 624, 640, 676, 768, 778, 780, 832, 845, 960, 1014, 1040, 1167, 1248, 1280, 1352, 1556, 1560, 1664, 1690, 1920, 1945, 2028, 2080, 2334, 2496, 2535, 2704, 3112, 3120, 3328, 3380, 3840, 3890, 4056, 4160, 4668, 4992, 5057, 5070, 5408, 5835, 6224, 6240, 6760, 7780, 8112, 8320, 9336, 9984, 10114, 10140, 10816, 11670, 12448, 12480, 13520, 15171, 15560, 16224, 16640, 18672, 20228, 20280, 21632, 23340, 24896, 24960, 25285, 27040, 30342, 31120, 32448, 37344, 40456, 40560, 43264, 46680, 49792, 49920, 50570, 54080, 60684, 62240, 64896, 65741, 74688, 75855, 80912, 81120, 93360, 99584, 101140, 108160, 121368, 124480, 129792, 131482, 149376, 151710, 161824, 162240, 186720, 197223, 202280, 216320, 242736, 248960, 262964, 298752, 303420, 323648, 324480, 328705, 373440, 394446, 404560, 485472, 497920, 525928, 606840, 647296, 648960, 657410, 746880, 788892, 809120, 970944, 986115, 1051856, 1213680, 1294592, 1314820, 1493760, 1577784, 1618240, 1941888, 1972230, 2103712, 2427360, 2629640, 3155568, 3236480, 3883776, 3944460, 4207424, 4854720, 5259280, 6311136, 6472960, 7888920, 8414848, 9709440, 10518560, 12622272, 15777840, 16829696, 19418880, 21037120, 25244544, 31555680, 42074240, 50489088, 63111360, 84148480, 126222720, 252445440]

約数ペア:

[(1, 252445440), (2, 126222720), (3, 84148480), (4, 63111360), (5, 50489088), (6, 42074240), (8, 31555680), (10, 25244544), (12, 21037120), (13, 19418880), (15, 16829696), (16, 15777840), (20, 12622272), (24, 10518560), (26, 9709440), (30, 8414848), (32, 7888920), (39, 6472960), (40, 6311136), (48, 5259280), (52, 4854720), (60, 4207424), (64, 3944460), (65, 3883776), (78, 3236480), (80, 3155568), (96, 2629640), (104, 2427360), (120, 2103712), (128, 1972230), (130, 1941888), (156, 1618240), (160, 1577784), (169, 1493760), (192, 1314820), (195, 1294592), (208, 1213680), (240, 1051856), (256, 986115), (260, 970944), (312, 809120), (320, 788892), (338, 746880), (384, 657410), (389, 648960), (390, 647296), (416, 606840), (480, 525928), (507, 497920), (520, 485472), (624, 404560), (640, 394446), (676, 373440), (768, 328705), (778, 324480), (780, 323648), (832, 303420), (845, 298752), (960, 262964), (1014, 248960), (1040, 242736), (1167, 216320), (1248, 202280), (1280, 197223), (1352, 186720), (1556, 162240), (1560, 161824), (1664, 151710), (1690, 149376), (1920, 131482), (1945, 129792), (2028, 124480), (2080, 121368), (2334, 108160), (2496, 101140), (2535, 99584), (2704, 93360), (3112, 81120), (3120, 80912), (3328, 75855), (3380, 74688), (3840, 65741), (3890, 64896), (4056, 62240), (4160, 60684), (4668, 54080), (4992, 50570), (5057, 49920), (5070, 49792), (5408, 46680), (5835, 43264), (6224, 40560), (6240, 40456), (6760, 37344), (7780, 32448), (8112, 31120), (8320, 30342), (9336, 27040), (9984, 25285), (10114, 24960), (10140, 24896), (10816, 23340), (11670, 21632), (12448, 20280), (12480, 20228), (13520, 18672), (15171, 16640), (15560, 16224)]