38987760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1009}}^1$

素因数の和:1055

約数の個数: 160

約数和(自身を含む): 144276480

約数和(自身を除く): 105288720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 560, 644, 690, 805, 840, 920, 966, 1009, 1104, 1288, 1380, 1610, 1680, 1840, 1932, 2018, 2415, 2576, 2760, 3027, 3220, 3864, 4036, 4830, 5045, 5520, 6054, 6440, 7063, 7728, 8072, 9660, 10090, 12108, 12880, 14126, 15135, 16144, 19320, 20180, 21189, 23207, 24216, 28252, 30270, 35315, 38640, 40360, 42378, 46414, 48432, 56504, 60540, 69621, 70630, 80720, 84756, 92828, 105945, 113008, 116035, 121080, 139242, 141260, 162449, 169512, 185656, 211890, 232070, 242160, 278484, 282520, 324898, 339024, 348105, 371312, 423780, 464140, 487347, 556968, 565040, 649796, 696210, 812245, 847560, 928280, 974694, 1113936, 1299592, 1392420, 1624490, 1695120, 1856560, 1949388, 2436735, 2599184, 2784840, 3248980, 3898776, 4873470, 5569680, 6497960, 7797552, 9746940, 12995920, 19493880, 38987760]

約数ペア:

[(1, 38987760), (2, 19493880), (3, 12995920), (4, 9746940), (5, 7797552), (6, 6497960), (7, 5569680), (8, 4873470), (10, 3898776), (12, 3248980), (14, 2784840), (15, 2599184), (16, 2436735), (20, 1949388), (21, 1856560), (23, 1695120), (24, 1624490), (28, 1392420), (30, 1299592), (35, 1113936), (40, 974694), (42, 928280), (46, 847560), (48, 812245), (56, 696210), (60, 649796), (69, 565040), (70, 556968), (80, 487347), (84, 464140), (92, 423780), (105, 371312), (112, 348105), (115, 339024), (120, 324898), (138, 282520), (140, 278484), (161, 242160), (168, 232070), (184, 211890), (210, 185656), (230, 169512), (240, 162449), (276, 141260), (280, 139242), (322, 121080), (336, 116035), (345, 113008), (368, 105945), (420, 92828), (460, 84756), (483, 80720), (552, 70630), (560, 69621), (644, 60540), (690, 56504), (805, 48432), (840, 46414), (920, 42378), (966, 40360), (1009, 38640), (1104, 35315), (1288, 30270), (1380, 28252), (1610, 24216), (1680, 23207), (1840, 21189), (1932, 20180), (2018, 19320), (2415, 16144), (2576, 15135), (2760, 14126), (3027, 12880), (3220, 12108), (3864, 10090), (4036, 9660), (4830, 8072), (5045, 7728), (5520, 7063), (6054, 6440)]