161601440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1$

素因数の和:1055

約数の個数: 192

約数和(自身を含む): 513112320

約数和(自身を除く): 351510880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 260, 280, 286, 308, 352, 364, 385, 416, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1009, 1040, 1120, 1144, 1232, 1430, 1456, 1540, 1760, 1820, 2002, 2018, 2080, 2288, 2464, 2860, 2912, 3080, 3640, 4004, 4036, 4576, 5005, 5045, 5720, 6160, 7063, 7280, 8008, 8072, 10010, 10090, 11099, 11440, 12320, 13117, 14126, 14560, 16016, 16144, 20020, 20180, 22198, 22880, 26234, 28252, 32032, 32288, 35315, 40040, 40360, 44396, 52468, 55495, 56504, 65585, 70630, 77693, 80080, 80720, 88792, 91819, 104936, 110990, 113008, 131170, 141260, 144287, 155386, 160160, 161440, 177584, 183638, 209872, 221980, 226016, 262340, 282520, 288574, 310772, 355168, 367276, 388465, 419744, 443960, 459095, 524680, 565040, 577148, 621544, 721435, 734552, 776930, 887920, 918190, 1010009, 1049360, 1130080, 1154296, 1243088, 1442870, 1469104, 1553860, 1775840, 1836380, 2020018, 2098720, 2308592, 2486176, 2885740, 2938208, 3107720, 3672760, 4040036, 4617184, 5050045, 5771480, 6215440, 7345520, 8080072, 10100090, 11542960, 12430880, 14691040, 16160144, 20200180, 23085920, 32320288, 40400360, 80800720, 161601440]

約数ペア:

[(1, 161601440), (2, 80800720), (4, 40400360), (5, 32320288), (7, 23085920), (8, 20200180), (10, 16160144), (11, 14691040), (13, 12430880), (14, 11542960), (16, 10100090), (20, 8080072), (22, 7345520), (26, 6215440), (28, 5771480), (32, 5050045), (35, 4617184), (40, 4040036), (44, 3672760), (52, 3107720), (55, 2938208), (56, 2885740), (65, 2486176), (70, 2308592), (77, 2098720), (80, 2020018), (88, 1836380), (91, 1775840), (104, 1553860), (110, 1469104), (112, 1442870), (130, 1243088), (140, 1154296), (143, 1130080), (154, 1049360), (160, 1010009), (176, 918190), (182, 887920), (208, 776930), (220, 734552), (224, 721435), (260, 621544), (280, 577148), (286, 565040), (308, 524680), (352, 459095), (364, 443960), (385, 419744), (416, 388465), (440, 367276), (455, 355168), (520, 310772), (560, 288574), (572, 282520), (616, 262340), (715, 226016), (728, 221980), (770, 209872), (880, 183638), (910, 177584), (1001, 161440), (1009, 160160), (1040, 155386), (1120, 144287), (1144, 141260), (1232, 131170), (1430, 113008), (1456, 110990), (1540, 104936), (1760, 91819), (1820, 88792), (2002, 80720), (2018, 80080), (2080, 77693), (2288, 70630), (2464, 65585), (2860, 56504), (2912, 55495), (3080, 52468), (3640, 44396), (4004, 40360), (4036, 40040), (4576, 35315), (5005, 32288), (5045, 32032), (5720, 28252), (6160, 26234), (7063, 22880), (7280, 22198), (8008, 20180), (8072, 20020), (10010, 16144), (10090, 16016), (11099, 14560), (11440, 14126), (12320, 13117)]