161000840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4021}}^1$

素因数の和:4063

約数の個数: 128

約数和(自身を含む): 486501120

約数和(自身を除く): 325500280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3640, 4004, 4021, 5005, 5720, 8008, 8042, 10010, 16084, 20020, 20105, 28147, 32168, 40040, 40210, 44231, 52273, 56294, 80420, 88462, 104546, 112588, 140735, 160840, 176924, 209092, 221155, 225176, 261365, 281470, 309617, 353848, 365911, 418184, 442310, 522730, 562940, 575003, 619234, 731822, 884620, 1045460, 1125880, 1150006, 1238468, 1463644, 1548085, 1769240, 1829555, 2090920, 2300012, 2476936, 2875015, 2927288, 3096170, 3659110, 4025021, 4600024, 5750030, 6192340, 7318220, 8050042, 11500060, 12384680, 14636440, 16100084, 20125105, 23000120, 32200168, 40250210, 80500420, 161000840]

約数ペア:

[(1, 161000840), (2, 80500420), (4, 40250210), (5, 32200168), (7, 23000120), (8, 20125105), (10, 16100084), (11, 14636440), (13, 12384680), (14, 11500060), (20, 8050042), (22, 7318220), (26, 6192340), (28, 5750030), (35, 4600024), (40, 4025021), (44, 3659110), (52, 3096170), (55, 2927288), (56, 2875015), (65, 2476936), (70, 2300012), (77, 2090920), (88, 1829555), (91, 1769240), (104, 1548085), (110, 1463644), (130, 1238468), (140, 1150006), (143, 1125880), (154, 1045460), (182, 884620), (220, 731822), (260, 619234), (280, 575003), (286, 562940), (308, 522730), (364, 442310), (385, 418184), (440, 365911), (455, 353848), (520, 309617), (572, 281470), (616, 261365), (715, 225176), (728, 221155), (770, 209092), (910, 176924), (1001, 160840), (1144, 140735), (1430, 112588), (1540, 104546), (1820, 88462), (2002, 80420), (2860, 56294), (3080, 52273), (3640, 44231), (4004, 40210), (4021, 40040), (5005, 32168), (5720, 28147), (8008, 20105), (8042, 20020), (10010, 16084)]