281944728

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 288

約数和(自身を含む): 924955200

約数和(自身を除く): 643010472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 29, 34, 36, 39, 47, 51, 52, 58, 68, 72, 78, 87, 94, 102, 104, 116, 117, 136, 141, 153, 156, 169, 174, 188, 204, 221, 232, 234, 261, 282, 306, 312, 338, 348, 376, 377, 408, 423, 442, 468, 493, 507, 522, 564, 611, 612, 663, 676, 696, 754, 799, 846, 884, 936, 986, 1014, 1044, 1128, 1131, 1222, 1224, 1326, 1352, 1363, 1479, 1508, 1521, 1598, 1692, 1768, 1833, 1972, 1989, 2028, 2088, 2262, 2397, 2444, 2652, 2726, 2873, 2958, 3016, 3042, 3196, 3384, 3393, 3666, 3944, 3978, 4056, 4089, 4437, 4524, 4794, 4888, 4901, 5304, 5452, 5499, 5746, 5916, 6084, 6392, 6409, 6786, 7191, 7332, 7943, 7956, 8178, 8619, 8874, 9048, 9588, 9802, 10387, 10904, 10998, 11492, 11832, 12168, 12267, 12818, 13572, 14382, 14664, 14703, 15886, 15912, 16356, 17238, 17719, 17748, 19176, 19227, 19604, 20774, 21996, 22984, 23171, 23829, 24534, 25636, 25857, 27144, 28764, 29406, 31161, 31772, 32712, 34476, 35438, 35496, 38454, 39208, 41548, 43992, 44109, 46342, 47658, 49068, 51272, 51714, 53157, 57528, 57681, 58812, 62322, 63544, 68952, 69513, 70876, 71487, 76908, 83096, 83317, 88218, 92684, 93483, 95316, 98136, 103428, 106314, 115362, 117624, 124644, 135031, 139026, 141752, 142974, 153816, 159471, 166634, 176436, 185368, 186966, 190632, 206856, 208539, 212628, 230347, 230724, 249288, 249951, 270062, 278052, 285948, 301223, 318942, 333268, 352872, 373932, 405093, 417078, 425256, 460694, 461448, 499902, 540124, 556104, 571896, 602446, 637884, 666536, 691041, 747864, 749853, 810186, 834156, 903669, 921388, 999804, 1080248, 1204892, 1215279, 1275768, 1382082, 1499706, 1620372, 1668312, 1807338, 1842776, 1999608, 2073123, 2409784, 2430558, 2711007, 2764164, 2999412, 3240744, 3614676, 3915899, 4146246, 4861116, 5422014, 5528328, 5998824, 7229352, 7831798, 8292492, 9722232, 10844028, 11747697, 15663596, 16584984, 21688056, 23495394, 31327192, 35243091, 46990788, 70486182, 93981576, 140972364, 281944728]

約数ペア:

[(1, 281944728), (2, 140972364), (3, 93981576), (4, 70486182), (6, 46990788), (8, 35243091), (9, 31327192), (12, 23495394), (13, 21688056), (17, 16584984), (18, 15663596), (24, 11747697), (26, 10844028), (29, 9722232), (34, 8292492), (36, 7831798), (39, 7229352), (47, 5998824), (51, 5528328), (52, 5422014), (58, 4861116), (68, 4146246), (72, 3915899), (78, 3614676), (87, 3240744), (94, 2999412), (102, 2764164), (104, 2711007), (116, 2430558), (117, 2409784), (136, 2073123), (141, 1999608), (153, 1842776), (156, 1807338), (169, 1668312), (174, 1620372), (188, 1499706), (204, 1382082), (221, 1275768), (232, 1215279), (234, 1204892), (261, 1080248), (282, 999804), (306, 921388), (312, 903669), (338, 834156), (348, 810186), (376, 749853), (377, 747864), (408, 691041), (423, 666536), (442, 637884), (468, 602446), (493, 571896), (507, 556104), (522, 540124), (564, 499902), (611, 461448), (612, 460694), (663, 425256), (676, 417078), (696, 405093), (754, 373932), (799, 352872), (846, 333268), (884, 318942), (936, 301223), (986, 285948), (1014, 278052), (1044, 270062), (1128, 249951), (1131, 249288), (1222, 230724), (1224, 230347), (1326, 212628), (1352, 208539), (1363, 206856), (1479, 190632), (1508, 186966), (1521, 185368), (1598, 176436), (1692, 166634), (1768, 159471), (1833, 153816), (1972, 142974), (1989, 141752), (2028, 139026), (2088, 135031), (2262, 124644), (2397, 117624), (2444, 115362), (2652, 106314), (2726, 103428), (2873, 98136), (2958, 95316), (3016, 93483), (3042, 92684), (3196, 88218), (3384, 83317), (3393, 83096), (3666, 76908), (3944, 71487), (3978, 70876), (4056, 69513), (4089, 68952), (4437, 63544), (4524, 62322), (4794, 58812), (4888, 57681), (4901, 57528), (5304, 53157), (5452, 51714), (5499, 51272), (5746, 49068), (5916, 47658), (6084, 46342), (6392, 44109), (6409, 43992), (6786, 41548), (7191, 39208), (7332, 38454), (7943, 35496), (7956, 35438), (8178, 34476), (8619, 32712), (8874, 31772), (9048, 31161), (9588, 29406), (9802, 28764), (10387, 27144), (10904, 25857), (10998, 25636), (11492, 24534), (11832, 23829), (12168, 23171), (12267, 22984), (12818, 21996), (13572, 20774), (14382, 19604), (14664, 19227), (14703, 19176), (15886, 17748), (15912, 17719), (16356, 17238)]