28825440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:421

約数の個数: 192

約数和(自身を含む): 108573696

約数和(自身を除く): 79748256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 368, 373, 420, 460, 480, 483, 552, 560, 644, 672, 690, 736, 746, 805, 840, 920, 966, 1104, 1119, 1120, 1288, 1380, 1492, 1610, 1680, 1840, 1865, 1932, 2208, 2238, 2415, 2576, 2611, 2760, 2984, 3220, 3360, 3680, 3730, 3864, 4476, 4830, 5152, 5222, 5520, 5595, 5968, 6440, 7460, 7728, 7833, 8579, 8952, 9660, 10444, 11040, 11190, 11936, 12880, 13055, 14920, 15456, 15666, 17158, 17904, 19320, 20888, 22380, 25737, 25760, 26110, 29840, 31332, 34316, 35808, 38640, 39165, 41776, 42895, 44760, 51474, 52220, 59680, 60053, 62664, 68632, 77280, 78330, 83552, 85790, 89520, 102948, 104440, 120106, 125328, 128685, 137264, 156660, 171580, 179040, 180159, 205896, 208880, 240212, 250656, 257370, 274528, 300265, 313320, 343160, 360318, 411792, 417760, 480424, 514740, 600530, 626640, 686320, 720636, 823584, 900795, 960848, 1029480, 1201060, 1253280, 1372640, 1441272, 1801590, 1921696, 2058960, 2402120, 2882544, 3603180, 4117920, 4804240, 5765088, 7206360, 9608480, 14412720, 28825440]

約数ペア:

[(1, 28825440), (2, 14412720), (3, 9608480), (4, 7206360), (5, 5765088), (6, 4804240), (7, 4117920), (8, 3603180), (10, 2882544), (12, 2402120), (14, 2058960), (15, 1921696), (16, 1801590), (20, 1441272), (21, 1372640), (23, 1253280), (24, 1201060), (28, 1029480), (30, 960848), (32, 900795), (35, 823584), (40, 720636), (42, 686320), (46, 626640), (48, 600530), (56, 514740), (60, 480424), (69, 417760), (70, 411792), (80, 360318), (84, 343160), (92, 313320), (96, 300265), (105, 274528), (112, 257370), (115, 250656), (120, 240212), (138, 208880), (140, 205896), (160, 180159), (161, 179040), (168, 171580), (184, 156660), (210, 137264), (224, 128685), (230, 125328), (240, 120106), (276, 104440), (280, 102948), (322, 89520), (336, 85790), (345, 83552), (368, 78330), (373, 77280), (420, 68632), (460, 62664), (480, 60053), (483, 59680), (552, 52220), (560, 51474), (644, 44760), (672, 42895), (690, 41776), (736, 39165), (746, 38640), (805, 35808), (840, 34316), (920, 31332), (966, 29840), (1104, 26110), (1119, 25760), (1120, 25737), (1288, 22380), (1380, 20888), (1492, 19320), (1610, 17904), (1680, 17158), (1840, 15666), (1865, 15456), (1932, 14920), (2208, 13055), (2238, 12880), (2415, 11936), (2576, 11190), (2611, 11040), (2760, 10444), (2984, 9660), (3220, 8952), (3360, 8579), (3680, 7833), (3730, 7728), (3864, 7460), (4476, 6440), (4830, 5968), (5152, 5595), (5222, 5520)]