256466520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3253}}^1$

素因数の和:3346

約数の個数: 128

約数和(自身を含む): 866865600

約数和(自身を除く): 610399080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 73, 90, 108, 120, 135, 146, 180, 216, 219, 270, 292, 360, 365, 438, 540, 584, 657, 730, 876, 1080, 1095, 1314, 1460, 1752, 1971, 2190, 2628, 2920, 3253, 3285, 3942, 4380, 5256, 6506, 6570, 7884, 8760, 9759, 9855, 13012, 13140, 15768, 16265, 19518, 19710, 26024, 26280, 29277, 32530, 39036, 39420, 48795, 58554, 65060, 78072, 78840, 87831, 97590, 117108, 130120, 146385, 175662, 195180, 234216, 237469, 292770, 351324, 390360, 439155, 474938, 585540, 702648, 712407, 878310, 949876, 1171080, 1187345, 1424814, 1756620, 1899752, 2137221, 2374690, 2849628, 3513240, 3562035, 4274442, 4749380, 5699256, 6411663, 7124070, 8548884, 9498760, 10686105, 12823326, 14248140, 17097768, 21372210, 25646652, 28496280, 32058315, 42744420, 51293304, 64116630, 85488840, 128233260, 256466520]

約数ペア:

[(1, 256466520), (2, 128233260), (3, 85488840), (4, 64116630), (5, 51293304), (6, 42744420), (8, 32058315), (9, 28496280), (10, 25646652), (12, 21372210), (15, 17097768), (18, 14248140), (20, 12823326), (24, 10686105), (27, 9498760), (30, 8548884), (36, 7124070), (40, 6411663), (45, 5699256), (54, 4749380), (60, 4274442), (72, 3562035), (73, 3513240), (90, 2849628), (108, 2374690), (120, 2137221), (135, 1899752), (146, 1756620), (180, 1424814), (216, 1187345), (219, 1171080), (270, 949876), (292, 878310), (360, 712407), (365, 702648), (438, 585540), (540, 474938), (584, 439155), (657, 390360), (730, 351324), (876, 292770), (1080, 237469), (1095, 234216), (1314, 195180), (1460, 175662), (1752, 146385), (1971, 130120), (2190, 117108), (2628, 97590), (2920, 87831), (3253, 78840), (3285, 78072), (3942, 65060), (4380, 58554), (5256, 48795), (6506, 39420), (6570, 39036), (7884, 32530), (8760, 29277), (9759, 26280), (9855, 26024), (13012, 19710), (13140, 19518), (15768, 16265)]