251057520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:592

約数の個数: 240

約数和(自身を含む): 974550720

約数和(自身を除く): 723493200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 109, 112, 120, 126, 140, 144, 168, 180, 210, 218, 240, 252, 280, 315, 327, 336, 360, 420, 436, 457, 504, 545, 560, 630, 654, 720, 763, 840, 872, 914, 981, 1008, 1090, 1260, 1308, 1371, 1526, 1635, 1680, 1744, 1828, 1962, 2180, 2285, 2289, 2520, 2616, 2742, 3052, 3199, 3270, 3656, 3815, 3924, 4113, 4360, 4570, 4578, 4905, 5040, 5232, 5484, 6104, 6398, 6540, 6855, 6867, 7312, 7630, 7848, 8226, 8720, 9140, 9156, 9597, 9810, 10968, 11445, 12208, 12796, 13080, 13710, 13734, 15260, 15696, 15995, 16452, 18280, 18312, 19194, 19620, 20565, 21936, 22890, 25592, 26160, 27420, 27468, 28791, 30520, 31990, 32904, 34335, 36560, 36624, 38388, 39240, 41130, 45780, 47985, 49813, 51184, 54840, 54936, 57582, 61040, 63980, 65808, 68670, 76776, 78480, 82260, 91560, 95970, 99626, 109680, 109872, 115164, 127960, 137340, 143955, 149439, 153552, 164520, 183120, 191940, 199252, 230328, 249065, 255920, 274680, 287910, 298878, 329040, 348691, 383880, 398504, 448317, 460656, 498130, 549360, 575820, 597756, 697382, 747195, 767760, 797008, 896634, 996260, 1046073, 1151640, 1195512, 1394764, 1494390, 1743455, 1793268, 1992520, 2092146, 2241585, 2303280, 2391024, 2789528, 2988780, 3138219, 3486910, 3586536, 3985040, 4184292, 4483170, 5230365, 5579056, 5977560, 6276438, 6973820, 7173072, 8368584, 8966340, 10460730, 11955120, 12552876, 13947640, 15691095, 16737168, 17932680, 20921460, 25105752, 27895280, 31382190, 35865360, 41842920, 50211504, 62764380, 83685840, 125528760, 251057520]

約数ペア:

[(1, 251057520), (2, 125528760), (3, 83685840), (4, 62764380), (5, 50211504), (6, 41842920), (7, 35865360), (8, 31382190), (9, 27895280), (10, 25105752), (12, 20921460), (14, 17932680), (15, 16737168), (16, 15691095), (18, 13947640), (20, 12552876), (21, 11955120), (24, 10460730), (28, 8966340), (30, 8368584), (35, 7173072), (36, 6973820), (40, 6276438), (42, 5977560), (45, 5579056), (48, 5230365), (56, 4483170), (60, 4184292), (63, 3985040), (70, 3586536), (72, 3486910), (80, 3138219), (84, 2988780), (90, 2789528), (105, 2391024), (109, 2303280), (112, 2241585), (120, 2092146), (126, 1992520), (140, 1793268), (144, 1743455), (168, 1494390), (180, 1394764), (210, 1195512), (218, 1151640), (240, 1046073), (252, 996260), (280, 896634), (315, 797008), (327, 767760), (336, 747195), (360, 697382), (420, 597756), (436, 575820), (457, 549360), (504, 498130), (545, 460656), (560, 448317), (630, 398504), (654, 383880), (720, 348691), (763, 329040), (840, 298878), (872, 287910), (914, 274680), (981, 255920), (1008, 249065), (1090, 230328), (1260, 199252), (1308, 191940), (1371, 183120), (1526, 164520), (1635, 153552), (1680, 149439), (1744, 143955), (1828, 137340), (1962, 127960), (2180, 115164), (2285, 109872), (2289, 109680), (2520, 99626), (2616, 95970), (2742, 91560), (3052, 82260), (3199, 78480), (3270, 76776), (3656, 68670), (3815, 65808), (3924, 63980), (4113, 61040), (4360, 57582), (4570, 54936), (4578, 54840), (4905, 51184), (5040, 49813), (5232, 47985), (5484, 45780), (6104, 41130), (6398, 39240), (6540, 38388), (6855, 36624), (6867, 36560), (7312, 34335), (7630, 32904), (7848, 31990), (8226, 30520), (8720, 28791), (9140, 27468), (9156, 27420), (9597, 26160), (9810, 25592), (10968, 22890), (11445, 21936), (12208, 20565), (12796, 19620), (13080, 19194), (13710, 18312), (13734, 18280), (15260, 16452), (15696, 15995)]