401345880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257273}}^1$

素因数の和:257300

約数の個数: 64

約数和(自身を含む): 1296660960

約数和(自身を除く): 895315080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 257273, 514546, 771819, 1029092, 1286365, 1543638, 2058184, 2572730, 3087276, 3344549, 3859095, 5145460, 6174552, 6689098, 7718190, 10033647, 10290920, 13378196, 15436380, 16722745, 20067294, 26756392, 30872760, 33445490, 40134588, 50168235, 66890980, 80269176, 100336470, 133781960, 200672940, 401345880]

約数ペア:

[(1, 401345880), (2, 200672940), (3, 133781960), (4, 100336470), (5, 80269176), (6, 66890980), (8, 50168235), (10, 40134588), (12, 33445490), (13, 30872760), (15, 26756392), (20, 20067294), (24, 16722745), (26, 15436380), (30, 13378196), (39, 10290920), (40, 10033647), (52, 7718190), (60, 6689098), (65, 6174552), (78, 5145460), (104, 3859095), (120, 3344549), (130, 3087276), (156, 2572730), (195, 2058184), (260, 1543638), (312, 1286365), (390, 1029092), (520, 771819), (780, 514546), (1560, 257273)]