1279691280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{253907}}^1$

素因数の和:253933

約数の個数: 120

約数和(自身を含む): 4911596352

約数和(自身を除く): 3631905072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 253907, 507814, 761721, 1015628, 1269535, 1523442, 1777349, 2031256, 2285163, 2539070, 3046884, 3554698, 3808605, 4062512, 4570326, 5078140, 5332047, 6093768, 7109396, 7617210, 8886745, 9140652, 10156280, 10664094, 11425815, 12187536, 14218792, 15234420, 15996141, 17773490, 18281304, 20312560, 21328188, 22851630, 26660235, 28437584, 30468840, 31992282, 35546980, 36562608, 42656376, 45703260, 53320470, 60937680, 63984564, 71093960, 79980705, 85312752, 91406520, 106640940, 127969128, 142187920, 159961410, 182813040, 213281880, 255938256, 319922820, 426563760, 639845640, 1279691280]

約数ペア:

[(1, 1279691280), (2, 639845640), (3, 426563760), (4, 319922820), (5, 255938256), (6, 213281880), (7, 182813040), (8, 159961410), (9, 142187920), (10, 127969128), (12, 106640940), (14, 91406520), (15, 85312752), (16, 79980705), (18, 71093960), (20, 63984564), (21, 60937680), (24, 53320470), (28, 45703260), (30, 42656376), (35, 36562608), (36, 35546980), (40, 31992282), (42, 30468840), (45, 28437584), (48, 26660235), (56, 22851630), (60, 21328188), (63, 20312560), (70, 18281304), (72, 17773490), (80, 15996141), (84, 15234420), (90, 14218792), (105, 12187536), (112, 11425815), (120, 10664094), (126, 10156280), (140, 9140652), (144, 8886745), (168, 7617210), (180, 7109396), (210, 6093768), (240, 5332047), (252, 5078140), (280, 4570326), (315, 4062512), (336, 3808605), (360, 3554698), (420, 3046884), (504, 2539070), (560, 2285163), (630, 2031256), (720, 1777349), (840, 1523442), (1008, 1269535), (1260, 1015628), (1680, 761721), (2520, 507814), (5040, 253907)]