253420440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1009}}^1$

素因数の和:1066

約数の個数: 256

約数和(自身を含む): 977356800

約数和(自身を除く): 723936360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 52, 56, 60, 65, 69, 70, 78, 84, 91, 92, 104, 105, 115, 120, 130, 138, 140, 156, 161, 168, 182, 184, 195, 210, 230, 260, 273, 276, 280, 299, 312, 322, 345, 364, 390, 420, 455, 460, 483, 520, 546, 552, 598, 644, 690, 728, 780, 805, 840, 897, 910, 920, 966, 1009, 1092, 1196, 1288, 1365, 1380, 1495, 1560, 1610, 1794, 1820, 1932, 2018, 2093, 2184, 2392, 2415, 2730, 2760, 2990, 3027, 3220, 3588, 3640, 3864, 4036, 4186, 4485, 4830, 5045, 5460, 5980, 6054, 6279, 6440, 7063, 7176, 8072, 8372, 8970, 9660, 10090, 10465, 10920, 11960, 12108, 12558, 13117, 14126, 15135, 16744, 17940, 19320, 20180, 20930, 21189, 23207, 24216, 25116, 26234, 28252, 30270, 31395, 35315, 35880, 39351, 40360, 41860, 42378, 46414, 50232, 52468, 56504, 60540, 62790, 65585, 69621, 70630, 78702, 83720, 84756, 91819, 92828, 104936, 105945, 116035, 121080, 125580, 131170, 139242, 141260, 157404, 162449, 169512, 183638, 185656, 196755, 211890, 232070, 251160, 262340, 275457, 278484, 282520, 301691, 314808, 324898, 348105, 367276, 393510, 423780, 459095, 464140, 487347, 524680, 550914, 556968, 603382, 649796, 696210, 734552, 787020, 812245, 847560, 905073, 918190, 928280, 974694, 1101828, 1206764, 1299592, 1377285, 1392420, 1508455, 1574040, 1624490, 1810146, 1836380, 1949388, 2111837, 2203656, 2413528, 2436735, 2754570, 2784840, 3016910, 3248980, 3620292, 3672760, 3898776, 4223674, 4525365, 4873470, 5509140, 6033820, 6335511, 6497960, 7240584, 8447348, 9050730, 9746940, 10559185, 11018280, 12067640, 12671022, 16894696, 18101460, 19493880, 21118370, 25342044, 31677555, 36202920, 42236740, 50684088, 63355110, 84473480, 126710220, 253420440]

約数ペア:

[(1, 253420440), (2, 126710220), (3, 84473480), (4, 63355110), (5, 50684088), (6, 42236740), (7, 36202920), (8, 31677555), (10, 25342044), (12, 21118370), (13, 19493880), (14, 18101460), (15, 16894696), (20, 12671022), (21, 12067640), (23, 11018280), (24, 10559185), (26, 9746940), (28, 9050730), (30, 8447348), (35, 7240584), (39, 6497960), (40, 6335511), (42, 6033820), (46, 5509140), (52, 4873470), (56, 4525365), (60, 4223674), (65, 3898776), (69, 3672760), (70, 3620292), (78, 3248980), (84, 3016910), (91, 2784840), (92, 2754570), (104, 2436735), (105, 2413528), (115, 2203656), (120, 2111837), (130, 1949388), (138, 1836380), (140, 1810146), (156, 1624490), (161, 1574040), (168, 1508455), (182, 1392420), (184, 1377285), (195, 1299592), (210, 1206764), (230, 1101828), (260, 974694), (273, 928280), (276, 918190), (280, 905073), (299, 847560), (312, 812245), (322, 787020), (345, 734552), (364, 696210), (390, 649796), (420, 603382), (455, 556968), (460, 550914), (483, 524680), (520, 487347), (546, 464140), (552, 459095), (598, 423780), (644, 393510), (690, 367276), (728, 348105), (780, 324898), (805, 314808), (840, 301691), (897, 282520), (910, 278484), (920, 275457), (966, 262340), (1009, 251160), (1092, 232070), (1196, 211890), (1288, 196755), (1365, 185656), (1380, 183638), (1495, 169512), (1560, 162449), (1610, 157404), (1794, 141260), (1820, 139242), (1932, 131170), (2018, 125580), (2093, 121080), (2184, 116035), (2392, 105945), (2415, 104936), (2730, 92828), (2760, 91819), (2990, 84756), (3027, 83720), (3220, 78702), (3588, 70630), (3640, 69621), (3864, 65585), (4036, 62790), (4186, 60540), (4485, 56504), (4830, 52468), (5045, 50232), (5460, 46414), (5980, 42378), (6054, 41860), (6279, 40360), (6440, 39351), (7063, 35880), (7176, 35315), (8072, 31395), (8372, 30270), (8970, 28252), (9660, 26234), (10090, 25116), (10465, 24216), (10920, 23207), (11960, 21189), (12108, 20930), (12558, 20180), (13117, 19320), (14126, 17940), (15135, 16744)]