1243185520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^3\times {\mathrm{3163}}^1$

素因数の和:3227

約数の個数: 80

約数和(自身を含む): 3071990880

約数和(自身を除く): 1828805360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 3163, 4624, 4913, 5780, 6326, 9826, 11560, 12652, 15815, 19652, 23120, 24565, 25304, 31630, 39304, 49130, 50608, 53771, 63260, 78608, 98260, 107542, 126520, 196520, 215084, 253040, 268855, 393040, 430168, 537710, 860336, 914107, 1075420, 1828214, 2150840, 3656428, 4301680, 4570535, 7312856, 9141070, 14625712, 15539819, 18282140, 31079638, 36564280, 62159276, 73128560, 77699095, 124318552, 155398190, 248637104, 310796380, 621592760, 1243185520]

約数ペア:

[(1, 1243185520), (2, 621592760), (4, 310796380), (5, 248637104), (8, 155398190), (10, 124318552), (16, 77699095), (17, 73128560), (20, 62159276), (34, 36564280), (40, 31079638), (68, 18282140), (80, 15539819), (85, 14625712), (136, 9141070), (170, 7312856), (272, 4570535), (289, 4301680), (340, 3656428), (578, 2150840), (680, 1828214), (1156, 1075420), (1360, 914107), (1445, 860336), (2312, 537710), (2890, 430168), (3163, 393040), (4624, 268855), (4913, 253040), (5780, 215084), (6326, 196520), (9826, 126520), (11560, 107542), (12652, 98260), (15815, 78608), (19652, 63260), (23120, 53771), (24565, 50608), (25304, 49130), (31630, 39304)]