655935280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8191}}^1$

素因数の和:8235

約数の個数: 160

約数和(自身を含む): 2047868928

約数和(自身を除く): 1391933648

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1820, 2002, 2288, 2860, 3080, 3640, 4004, 5005, 5720, 6160, 7280, 8008, 8191, 10010, 11440, 16016, 16382, 20020, 32764, 40040, 40955, 57337, 65528, 80080, 81910, 90101, 106483, 114674, 131056, 163820, 180202, 212966, 229348, 286685, 327640, 360404, 425932, 450505, 458696, 532415, 573370, 630707, 655280, 720808, 745381, 851864, 901010, 917392, 1064830, 1146740, 1171313, 1261414, 1441616, 1490762, 1703728, 1802020, 2129660, 2293480, 2342626, 2522828, 2981524, 3153535, 3604040, 3726905, 4259320, 4586960, 4685252, 5045656, 5856565, 5963048, 6307070, 7208080, 7453810, 8199191, 8518640, 9370504, 10091312, 11713130, 11926096, 12614140, 14907620, 16398382, 18741008, 23426260, 25228280, 29815240, 32796764, 40995955, 46852520, 50456560, 59630480, 65593528, 81991910, 93705040, 131187056, 163983820, 327967640, 655935280]

約数ペア:

[(1, 655935280), (2, 327967640), (4, 163983820), (5, 131187056), (7, 93705040), (8, 81991910), (10, 65593528), (11, 59630480), (13, 50456560), (14, 46852520), (16, 40995955), (20, 32796764), (22, 29815240), (26, 25228280), (28, 23426260), (35, 18741008), (40, 16398382), (44, 14907620), (52, 12614140), (55, 11926096), (56, 11713130), (65, 10091312), (70, 9370504), (77, 8518640), (80, 8199191), (88, 7453810), (91, 7208080), (104, 6307070), (110, 5963048), (112, 5856565), (130, 5045656), (140, 4685252), (143, 4586960), (154, 4259320), (176, 3726905), (182, 3604040), (208, 3153535), (220, 2981524), (260, 2522828), (280, 2342626), (286, 2293480), (308, 2129660), (364, 1802020), (385, 1703728), (440, 1490762), (455, 1441616), (520, 1261414), (560, 1171313), (572, 1146740), (616, 1064830), (715, 917392), (728, 901010), (770, 851864), (880, 745381), (910, 720808), (1001, 655280), (1040, 630707), (1144, 573370), (1232, 532415), (1430, 458696), (1456, 450505), (1540, 425932), (1820, 360404), (2002, 327640), (2288, 286685), (2860, 229348), (3080, 212966), (3640, 180202), (4004, 163820), (5005, 131056), (5720, 114674), (6160, 106483), (7280, 90101), (8008, 81910), (8191, 80080), (10010, 65528), (11440, 57337), (16016, 40955), (16382, 40040), (20020, 32764)]