256977360

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{13219}}^1$

素因数の和:13247

約数の個数: 120

約数和(自身を含む): 895046880

約数和(自身を除く): 638069520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 13219, 19440, 26438, 39657, 52876, 66095, 79314, 105752, 118971, 132190, 158628, 198285, 211504, 237942, 264380, 317256, 356913, 396570, 475884, 528760, 594855, 634512, 713826, 793140, 951768, 1057520, 1070739, 1189710, 1427652, 1586280, 1784565, 1903536, 2141478, 2379420, 2855304, 3172560, 3212217, 3569130, 4282956, 4758840, 5353695, 5710608, 6424434, 7138260, 8565912, 9517680, 10707390, 12848868, 14276520, 16061085, 17131824, 21414780, 25697736, 28553040, 32122170, 42829560, 51395472, 64244340, 85659120, 128488680, 256977360]

約数ペア:

[(1, 256977360), (2, 128488680), (3, 85659120), (4, 64244340), (5, 51395472), (6, 42829560), (8, 32122170), (9, 28553040), (10, 25697736), (12, 21414780), (15, 17131824), (16, 16061085), (18, 14276520), (20, 12848868), (24, 10707390), (27, 9517680), (30, 8565912), (36, 7138260), (40, 6424434), (45, 5710608), (48, 5353695), (54, 4758840), (60, 4282956), (72, 3569130), (80, 3212217), (81, 3172560), (90, 2855304), (108, 2379420), (120, 2141478), (135, 1903536), (144, 1784565), (162, 1586280), (180, 1427652), (216, 1189710), (240, 1070739), (243, 1057520), (270, 951768), (324, 793140), (360, 713826), (405, 634512), (432, 594855), (486, 528760), (540, 475884), (648, 396570), (720, 356913), (810, 317256), (972, 264380), (1080, 237942), (1215, 211504), (1296, 198285), (1620, 158628), (1944, 132190), (2160, 118971), (2430, 105752), (3240, 79314), (3888, 66095), (4860, 52876), (6480, 39657), (9720, 26438), (13219, 19440)]