20181168280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{1433}}^1$

素因数の和:1590

約数の個数: 256

約数和(自身を含む): 57761061120

約数和(自身を除く): 37579892840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 53, 56, 65, 70, 73, 91, 104, 106, 130, 140, 146, 182, 212, 260, 265, 280, 292, 364, 365, 371, 424, 455, 511, 520, 530, 584, 689, 728, 730, 742, 910, 949, 1022, 1060, 1378, 1433, 1460, 1484, 1820, 1855, 1898, 2044, 2120, 2555, 2756, 2866, 2920, 2968, 3445, 3640, 3710, 3796, 3869, 4088, 4745, 4823, 5110, 5512, 5732, 6643, 6890, 7165, 7420, 7592, 7738, 9490, 9646, 10031, 10220, 11464, 13286, 13780, 14330, 14840, 15476, 18629, 18980, 19292, 19345, 20062, 20440, 24115, 26572, 27083, 27560, 28660, 30952, 33215, 37258, 37960, 38584, 38690, 40124, 48230, 50155, 50297, 53144, 54166, 57320, 66430, 74516, 75949, 77380, 80248, 93145, 96460, 100310, 100594, 104609, 108332, 130403, 132860, 135415, 149032, 151898, 154760, 186290, 192920, 200620, 201188, 209218, 216664, 251485, 260806, 265720, 270830, 303796, 352079, 372580, 379745, 401240, 402376, 418436, 502970, 521612, 523045, 531643, 541660, 607592, 652015, 704158, 732263, 745160, 759490, 836872, 987337, 1005940, 1043224, 1046090, 1063286, 1083320, 1304030, 1359917, 1408316, 1464526, 1518980, 1760395, 1974674, 2011880, 2092180, 2126572, 2608060, 2658215, 2719834, 2816632, 2929052, 3037960, 3520790, 3661315, 3949348, 4184360, 4253144, 4936685, 5216120, 5316430, 5439668, 5544277, 5858104, 6799585, 6911359, 7041580, 7322630, 7898696, 9519419, 9873370, 10632860, 10879336, 11088554, 13599170, 13822718, 14083160, 14645260, 19038838, 19746740, 21265720, 22177108, 27198340, 27645436, 27721385, 29290520, 34556795, 38077676, 38809939, 39493480, 44354216, 47597095, 54396680, 55290872, 55442770, 69113590, 72075601, 76155352, 77619878, 95194190, 110885540, 138227180, 144151202, 155239756, 190388380, 194049695, 221771080, 276454360, 288302404, 310479512, 360378005, 380776760, 388099390, 504529207, 576604808, 720756010, 776198780, 1009058414, 1441512020, 1552397560, 2018116828, 2522646035, 2883024040, 4036233656, 5045292070, 10090584140, 20181168280]

約数ペア:

[(1, 20181168280), (2, 10090584140), (4, 5045292070), (5, 4036233656), (7, 2883024040), (8, 2522646035), (10, 2018116828), (13, 1552397560), (14, 1441512020), (20, 1009058414), (26, 776198780), (28, 720756010), (35, 576604808), (40, 504529207), (52, 388099390), (53, 380776760), (56, 360378005), (65, 310479512), (70, 288302404), (73, 276454360), (91, 221771080), (104, 194049695), (106, 190388380), (130, 155239756), (140, 144151202), (146, 138227180), (182, 110885540), (212, 95194190), (260, 77619878), (265, 76155352), (280, 72075601), (292, 69113590), (364, 55442770), (365, 55290872), (371, 54396680), (424, 47597095), (455, 44354216), (511, 39493480), (520, 38809939), (530, 38077676), (584, 34556795), (689, 29290520), (728, 27721385), (730, 27645436), (742, 27198340), (910, 22177108), (949, 21265720), (1022, 19746740), (1060, 19038838), (1378, 14645260), (1433, 14083160), (1460, 13822718), (1484, 13599170), (1820, 11088554), (1855, 10879336), (1898, 10632860), (2044, 9873370), (2120, 9519419), (2555, 7898696), (2756, 7322630), (2866, 7041580), (2920, 6911359), (2968, 6799585), (3445, 5858104), (3640, 5544277), (3710, 5439668), (3796, 5316430), (3869, 5216120), (4088, 4936685), (4745, 4253144), (4823, 4184360), (5110, 3949348), (5512, 3661315), (5732, 3520790), (6643, 3037960), (6890, 2929052), (7165, 2816632), (7420, 2719834), (7592, 2658215), (7738, 2608060), (9490, 2126572), (9646, 2092180), (10031, 2011880), (10220, 1974674), (11464, 1760395), (13286, 1518980), (13780, 1464526), (14330, 1408316), (14840, 1359917), (15476, 1304030), (18629, 1083320), (18980, 1063286), (19292, 1046090), (19345, 1043224), (20062, 1005940), (20440, 987337), (24115, 836872), (26572, 759490), (27083, 745160), (27560, 732263), (28660, 704158), (30952, 652015), (33215, 607592), (37258, 541660), (37960, 531643), (38584, 523045), (38690, 521612), (40124, 502970), (48230, 418436), (50155, 402376), (50297, 401240), (53144, 379745), (54166, 372580), (57320, 352079), (66430, 303796), (74516, 270830), (75949, 265720), (77380, 260806), (80248, 251485), (93145, 216664), (96460, 209218), (100310, 201188), (100594, 200620), (104609, 192920), (108332, 186290), (130403, 154760), (132860, 151898), (135415, 149032)]