284731720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:252

約数の個数: 256

約数和(自身を含む): 870912000

約数和(自身を除く): 586180280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 23, 26, 28, 35, 38, 40, 46, 52, 56, 65, 70, 76, 91, 92, 95, 104, 115, 130, 133, 140, 152, 161, 179, 182, 184, 190, 230, 247, 260, 266, 280, 299, 322, 358, 364, 380, 437, 455, 460, 494, 520, 532, 598, 644, 665, 716, 728, 760, 805, 874, 895, 910, 920, 988, 1064, 1196, 1235, 1253, 1288, 1330, 1432, 1495, 1610, 1729, 1748, 1790, 1820, 1976, 2093, 2185, 2327, 2392, 2470, 2506, 2660, 2990, 3059, 3220, 3401, 3458, 3496, 3580, 3640, 4117, 4186, 4370, 4654, 4940, 5012, 5320, 5681, 5980, 6118, 6265, 6440, 6802, 6916, 7160, 8234, 8372, 8645, 8740, 9308, 9880, 10024, 10465, 11362, 11635, 11960, 12236, 12530, 13604, 13832, 15295, 16289, 16468, 16744, 17005, 17290, 17480, 18616, 20585, 20930, 22724, 23270, 23807, 24472, 25060, 27208, 28405, 28819, 30590, 32578, 32936, 34010, 34580, 39767, 41170, 41860, 44213, 45448, 46540, 47614, 50120, 53521, 56810, 57638, 61180, 65156, 68020, 69160, 78223, 79534, 81445, 82340, 83720, 88426, 93080, 95228, 107042, 113620, 115276, 119035, 122360, 130312, 136040, 144095, 156446, 159068, 162890, 164680, 176852, 190456, 198835, 214084, 221065, 227240, 230552, 238070, 267605, 288190, 309491, 312892, 318136, 325780, 353704, 374647, 391115, 397670, 428168, 442130, 476140, 535210, 547561, 576380, 618982, 625784, 651560, 749294, 782230, 795340, 884260, 952280, 1016899, 1070420, 1095122, 1152760, 1237964, 1498588, 1547455, 1564460, 1590680, 1768520, 1873235, 2033798, 2140840, 2190244, 2475928, 2737805, 2997176, 3094910, 3128920, 3746470, 4067596, 4380488, 5084495, 5475610, 6189820, 7118293, 7492940, 8135192, 10168990, 10951220, 12379640, 14236586, 14985880, 20337980, 21902440, 28473172, 35591465, 40675960, 56946344, 71182930, 142365860, 284731720]

約数ペア:

[(1, 284731720), (2, 142365860), (4, 71182930), (5, 56946344), (7, 40675960), (8, 35591465), (10, 28473172), (13, 21902440), (14, 20337980), (19, 14985880), (20, 14236586), (23, 12379640), (26, 10951220), (28, 10168990), (35, 8135192), (38, 7492940), (40, 7118293), (46, 6189820), (52, 5475610), (56, 5084495), (65, 4380488), (70, 4067596), (76, 3746470), (91, 3128920), (92, 3094910), (95, 2997176), (104, 2737805), (115, 2475928), (130, 2190244), (133, 2140840), (140, 2033798), (152, 1873235), (161, 1768520), (179, 1590680), (182, 1564460), (184, 1547455), (190, 1498588), (230, 1237964), (247, 1152760), (260, 1095122), (266, 1070420), (280, 1016899), (299, 952280), (322, 884260), (358, 795340), (364, 782230), (380, 749294), (437, 651560), (455, 625784), (460, 618982), (494, 576380), (520, 547561), (532, 535210), (598, 476140), (644, 442130), (665, 428168), (716, 397670), (728, 391115), (760, 374647), (805, 353704), (874, 325780), (895, 318136), (910, 312892), (920, 309491), (988, 288190), (1064, 267605), (1196, 238070), (1235, 230552), (1253, 227240), (1288, 221065), (1330, 214084), (1432, 198835), (1495, 190456), (1610, 176852), (1729, 164680), (1748, 162890), (1790, 159068), (1820, 156446), (1976, 144095), (2093, 136040), (2185, 130312), (2327, 122360), (2392, 119035), (2470, 115276), (2506, 113620), (2660, 107042), (2990, 95228), (3059, 93080), (3220, 88426), (3401, 83720), (3458, 82340), (3496, 81445), (3580, 79534), (3640, 78223), (4117, 69160), (4186, 68020), (4370, 65156), (4654, 61180), (4940, 57638), (5012, 56810), (5320, 53521), (5681, 50120), (5980, 47614), (6118, 46540), (6265, 45448), (6440, 44213), (6802, 41860), (6916, 41170), (7160, 39767), (8234, 34580), (8372, 34010), (8645, 32936), (8740, 32578), (9308, 30590), (9880, 28819), (10024, 28405), (10465, 27208), (11362, 25060), (11635, 24472), (11960, 23807), (12236, 23270), (12530, 22724), (13604, 20930), (13832, 20585), (15295, 18616), (16289, 17480), (16468, 17290), (16744, 17005)]