268419555

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{461}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 505612800

約数和(自身を除く): 237193245

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 227, 285, 461, 513, 681, 855, 1135, 1383, 2043, 2305, 2565, 3405, 4149, 4313, 6129, 6915, 8759, 10215, 12447, 12939, 20745, 21565, 26277, 30645, 38817, 43795, 62235, 64695, 78831, 104647, 116451, 131385, 194085, 236493, 313941, 394155, 523235, 582255, 941823, 1182465, 1569705, 1988293, 2825469, 4709115, 5964879, 9941465, 14127345, 17894637, 29824395, 53683911, 89473185, 268419555]

約数ペア:

[(1, 268419555), (3, 89473185), (5, 53683911), (9, 29824395), (15, 17894637), (19, 14127345), (27, 9941465), (45, 5964879), (57, 4709115), (95, 2825469), (135, 1988293), (171, 1569705), (227, 1182465), (285, 941823), (461, 582255), (513, 523235), (681, 394155), (855, 313941), (1135, 236493), (1383, 194085), (2043, 131385), (2305, 116451), (2565, 104647), (3405, 78831), (4149, 64695), (4313, 62235), (6129, 43795), (6915, 38817), (8759, 30645), (10215, 26277), (12447, 21565), (12939, 20745)]