81956700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{13009}}^1$

素因数の和:13036

約数の個数: 108

約数和(自身を含む): 293609680

約数和(自身を除く): 211652980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 6300, 13009, 26018, 39027, 52036, 65045, 78054, 91063, 117081, 130090, 156108, 182126, 195135, 234162, 260180, 273189, 325225, 364252, 390270, 455315, 468324, 546378, 585405, 650450, 780540, 819567, 910630, 975675, 1092756, 1170810, 1300900, 1365945, 1639134, 1821260, 1951350, 2276575, 2341620, 2731890, 2927025, 3278268, 3902700, 4097835, 4553150, 5463780, 5854050, 6829725, 8195670, 9106300, 11708100, 13659450, 16391340, 20489175, 27318900, 40978350, 81956700]

約数ペア:

[(1, 81956700), (2, 40978350), (3, 27318900), (4, 20489175), (5, 16391340), (6, 13659450), (7, 11708100), (9, 9106300), (10, 8195670), (12, 6829725), (14, 5854050), (15, 5463780), (18, 4553150), (20, 4097835), (21, 3902700), (25, 3278268), (28, 2927025), (30, 2731890), (35, 2341620), (36, 2276575), (42, 1951350), (45, 1821260), (50, 1639134), (60, 1365945), (63, 1300900), (70, 1170810), (75, 1092756), (84, 975675), (90, 910630), (100, 819567), (105, 780540), (126, 650450), (140, 585405), (150, 546378), (175, 468324), (180, 455315), (210, 390270), (225, 364252), (252, 325225), (300, 273189), (315, 260180), (350, 234162), (420, 195135), (450, 182126), (525, 156108), (630, 130090), (700, 117081), (900, 91063), (1050, 78054), (1260, 65045), (1575, 52036), (2100, 39027), (3150, 26018), (6300, 13009)]