26390280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:463

約数の個数: 128

約数和(自身を含む): 91756800

約数和(自身を除く): 65366520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 353, 356, 420, 445, 534, 623, 706, 712, 840, 890, 1059, 1068, 1246, 1335, 1412, 1765, 1780, 1869, 2118, 2136, 2471, 2492, 2670, 2824, 3115, 3530, 3560, 3738, 4236, 4942, 4984, 5295, 5340, 6230, 7060, 7413, 7476, 8472, 9345, 9884, 10590, 10680, 12355, 12460, 14120, 14826, 14952, 18690, 19768, 21180, 24710, 24920, 29652, 31417, 37065, 37380, 42360, 49420, 59304, 62834, 74130, 74760, 94251, 98840, 125668, 148260, 157085, 188502, 219919, 251336, 296520, 314170, 377004, 439838, 471255, 628340, 659757, 754008, 879676, 942510, 1099595, 1256680, 1319514, 1759352, 1885020, 2199190, 2639028, 3298785, 3770040, 4398380, 5278056, 6597570, 8796760, 13195140, 26390280]

約数ペア:

[(1, 26390280), (2, 13195140), (3, 8796760), (4, 6597570), (5, 5278056), (6, 4398380), (7, 3770040), (8, 3298785), (10, 2639028), (12, 2199190), (14, 1885020), (15, 1759352), (20, 1319514), (21, 1256680), (24, 1099595), (28, 942510), (30, 879676), (35, 754008), (40, 659757), (42, 628340), (56, 471255), (60, 439838), (70, 377004), (84, 314170), (89, 296520), (105, 251336), (120, 219919), (140, 188502), (168, 157085), (178, 148260), (210, 125668), (267, 98840), (280, 94251), (353, 74760), (356, 74130), (420, 62834), (445, 59304), (534, 49420), (623, 42360), (706, 37380), (712, 37065), (840, 31417), (890, 29652), (1059, 24920), (1068, 24710), (1246, 21180), (1335, 19768), (1412, 18690), (1765, 14952), (1780, 14826), (1869, 14120), (2118, 12460), (2136, 12355), (2471, 10680), (2492, 10590), (2670, 9884), (2824, 9345), (3115, 8472), (3530, 7476), (3560, 7413), (3738, 7060), (4236, 6230), (4942, 5340), (4984, 5295)]