25201680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{2143}}^1$

素因数の和:2173

約数の個数: 120

約数和(自身を含む): 90922752

約数和(自身を除く): 65721072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2143, 2352, 2940, 3920, 4286, 5880, 6429, 8572, 10715, 11760, 12858, 15001, 17144, 21430, 25716, 30002, 32145, 34288, 42860, 45003, 51432, 60004, 64290, 75005, 85720, 90006, 102864, 105007, 120008, 128580, 150010, 171440, 180012, 210014, 225015, 240016, 257160, 300020, 315021, 360024, 420028, 450030, 514320, 525035, 600040, 630042, 720048, 840056, 900060, 1050070, 1200080, 1260084, 1575105, 1680112, 1800120, 2100140, 2520168, 3150210, 3600240, 4200280, 5040336, 6300420, 8400560, 12600840, 25201680]

約数ペア:

[(1, 25201680), (2, 12600840), (3, 8400560), (4, 6300420), (5, 5040336), (6, 4200280), (7, 3600240), (8, 3150210), (10, 2520168), (12, 2100140), (14, 1800120), (15, 1680112), (16, 1575105), (20, 1260084), (21, 1200080), (24, 1050070), (28, 900060), (30, 840056), (35, 720048), (40, 630042), (42, 600040), (48, 525035), (49, 514320), (56, 450030), (60, 420028), (70, 360024), (80, 315021), (84, 300020), (98, 257160), (105, 240016), (112, 225015), (120, 210014), (140, 180012), (147, 171440), (168, 150010), (196, 128580), (210, 120008), (240, 105007), (245, 102864), (280, 90006), (294, 85720), (336, 75005), (392, 64290), (420, 60004), (490, 51432), (560, 45003), (588, 42860), (735, 34288), (784, 32145), (840, 30002), (980, 25716), (1176, 21430), (1470, 17144), (1680, 15001), (1960, 12858), (2143, 11760), (2352, 10715), (2940, 8572), (3920, 6429), (4286, 5880)]