28458360

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:538

約数の個数: 192

約数和(自身を含む): 110522880

約数和(自身を除く): 82064520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 115, 120, 126, 138, 140, 161, 168, 180, 184, 207, 210, 230, 252, 276, 280, 315, 322, 345, 360, 414, 420, 460, 483, 491, 504, 552, 630, 644, 690, 805, 828, 840, 920, 966, 982, 1035, 1260, 1288, 1380, 1449, 1473, 1610, 1656, 1932, 1964, 2070, 2415, 2455, 2520, 2760, 2898, 2946, 3220, 3437, 3864, 3928, 4140, 4419, 4830, 4910, 5796, 5892, 6440, 6874, 7245, 7365, 8280, 8838, 9660, 9820, 10311, 11293, 11592, 11784, 13748, 14490, 14730, 17185, 17676, 19320, 19640, 20622, 22095, 22586, 27496, 28980, 29460, 30933, 33879, 34370, 35352, 41244, 44190, 45172, 51555, 56465, 57960, 58920, 61866, 67758, 68740, 79051, 82488, 88380, 90344, 101637, 103110, 112930, 123732, 135516, 137480, 154665, 158102, 169395, 176760, 203274, 206220, 225860, 237153, 247464, 271032, 309330, 316204, 338790, 395255, 406548, 412440, 451720, 474306, 508185, 618660, 632408, 677580, 711459, 790510, 813096, 948612, 1016370, 1185765, 1237320, 1355160, 1422918, 1581020, 1897224, 2032740, 2371530, 2845836, 3162040, 3557295, 4065480, 4743060, 5691672, 7114590, 9486120, 14229180, 28458360]

約数ペア:

[(1, 28458360), (2, 14229180), (3, 9486120), (4, 7114590), (5, 5691672), (6, 4743060), (7, 4065480), (8, 3557295), (9, 3162040), (10, 2845836), (12, 2371530), (14, 2032740), (15, 1897224), (18, 1581020), (20, 1422918), (21, 1355160), (23, 1237320), (24, 1185765), (28, 1016370), (30, 948612), (35, 813096), (36, 790510), (40, 711459), (42, 677580), (45, 632408), (46, 618660), (56, 508185), (60, 474306), (63, 451720), (69, 412440), (70, 406548), (72, 395255), (84, 338790), (90, 316204), (92, 309330), (105, 271032), (115, 247464), (120, 237153), (126, 225860), (138, 206220), (140, 203274), (161, 176760), (168, 169395), (180, 158102), (184, 154665), (207, 137480), (210, 135516), (230, 123732), (252, 112930), (276, 103110), (280, 101637), (315, 90344), (322, 88380), (345, 82488), (360, 79051), (414, 68740), (420, 67758), (460, 61866), (483, 58920), (491, 57960), (504, 56465), (552, 51555), (630, 45172), (644, 44190), (690, 41244), (805, 35352), (828, 34370), (840, 33879), (920, 30933), (966, 29460), (982, 28980), (1035, 27496), (1260, 22586), (1288, 22095), (1380, 20622), (1449, 19640), (1473, 19320), (1610, 17676), (1656, 17185), (1932, 14730), (1964, 14490), (2070, 13748), (2415, 11784), (2455, 11592), (2520, 11293), (2760, 10311), (2898, 9820), (2946, 9660), (3220, 8838), (3437, 8280), (3864, 7365), (3928, 7245), (4140, 6874), (4419, 6440), (4830, 5892), (4910, 5796)]