210981680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:503

約数の個数: 160

約数和(自身を含む): 613544064

約数和(自身を除く): 402562384

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 80, 91, 104, 112, 130, 140, 146, 182, 208, 260, 280, 292, 364, 365, 397, 455, 511, 520, 560, 584, 728, 730, 794, 910, 949, 1022, 1040, 1168, 1456, 1460, 1588, 1820, 1898, 1985, 2044, 2555, 2779, 2920, 3176, 3640, 3796, 3970, 4088, 4745, 5110, 5161, 5558, 5840, 6352, 6643, 7280, 7592, 7940, 8176, 9490, 10220, 10322, 11116, 13286, 13895, 15184, 15880, 18980, 20440, 20644, 22232, 25805, 26572, 27790, 28981, 31760, 33215, 36127, 37960, 40880, 41288, 44464, 51610, 53144, 55580, 57962, 66430, 72254, 75920, 82576, 103220, 106288, 111160, 115924, 132860, 144508, 144905, 180635, 202867, 206440, 222320, 231848, 265720, 289016, 289810, 361270, 376753, 405734, 412880, 463696, 531440, 578032, 579620, 722540, 753506, 811468, 1014335, 1159240, 1445080, 1507012, 1622936, 1883765, 2028670, 2318480, 2637271, 2890160, 3014024, 3245872, 3767530, 4057340, 5274542, 6028048, 7535060, 8114680, 10549084, 13186355, 15070120, 16229360, 21098168, 26372710, 30140240, 42196336, 52745420, 105490840, 210981680]

約数ペア:

[(1, 210981680), (2, 105490840), (4, 52745420), (5, 42196336), (7, 30140240), (8, 26372710), (10, 21098168), (13, 16229360), (14, 15070120), (16, 13186355), (20, 10549084), (26, 8114680), (28, 7535060), (35, 6028048), (40, 5274542), (52, 4057340), (56, 3767530), (65, 3245872), (70, 3014024), (73, 2890160), (80, 2637271), (91, 2318480), (104, 2028670), (112, 1883765), (130, 1622936), (140, 1507012), (146, 1445080), (182, 1159240), (208, 1014335), (260, 811468), (280, 753506), (292, 722540), (364, 579620), (365, 578032), (397, 531440), (455, 463696), (511, 412880), (520, 405734), (560, 376753), (584, 361270), (728, 289810), (730, 289016), (794, 265720), (910, 231848), (949, 222320), (1022, 206440), (1040, 202867), (1168, 180635), (1456, 144905), (1460, 144508), (1588, 132860), (1820, 115924), (1898, 111160), (1985, 106288), (2044, 103220), (2555, 82576), (2779, 75920), (2920, 72254), (3176, 66430), (3640, 57962), (3796, 55580), (3970, 53144), (4088, 51610), (4745, 44464), (5110, 41288), (5161, 40880), (5558, 37960), (5840, 36127), (6352, 33215), (6643, 31760), (7280, 28981), (7592, 27790), (7940, 26572), (8176, 25805), (9490, 22232), (10220, 20644), (10322, 20440), (11116, 18980), (13286, 15880), (13895, 15184)]