221581360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2767}}^1$

素因数の和:2811

約数の個数: 160

約数和(自身を含む): 691955712

約数和(自身を除く): 470374352

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, 2767, 2860, 3080, 3640, 4004, 5005, 5534, 5720, 6160, 7280, 8008, 10010, 11068, 11440, 13835, 16016, 19369, 20020, 22136, 27670, 30437, 35971, 38738, 40040, 44272, 55340, 60874, 71942, 77476, 80080, 96845, 110680, 121748, 143884, 152185, 154952, 179855, 193690, 213059, 221360, 243496, 251797, 287768, 304370, 309904, 359710, 387380, 395681, 426118, 486992, 503594, 575536, 608740, 719420, 774760, 791362, 852236, 1007188, 1065295, 1217480, 1258985, 1438840, 1549520, 1582724, 1704472, 1978405, 2014376, 2130590, 2434960, 2517970, 2769767, 2877680, 3165448, 3408944, 3956810, 4028752, 4261180, 5035940, 5539534, 6330896, 7913620, 8522360, 10071880, 11079068, 13848835, 15827240, 17044720, 20143760, 22158136, 27697670, 31654480, 44316272, 55395340, 110790680, 221581360]

約数ペア:

[(1, 221581360), (2, 110790680), (4, 55395340), (5, 44316272), (7, 31654480), (8, 27697670), (10, 22158136), (11, 20143760), (13, 17044720), (14, 15827240), (16, 13848835), (20, 11079068), (22, 10071880), (26, 8522360), (28, 7913620), (35, 6330896), (40, 5539534), (44, 5035940), (52, 4261180), (55, 4028752), (56, 3956810), (65, 3408944), (70, 3165448), (77, 2877680), (80, 2769767), (88, 2517970), (91, 2434960), (104, 2130590), (110, 2014376), (112, 1978405), (130, 1704472), (140, 1582724), (143, 1549520), (154, 1438840), (176, 1258985), (182, 1217480), (208, 1065295), (220, 1007188), (260, 852236), (280, 791362), (286, 774760), (308, 719420), (364, 608740), (385, 575536), (440, 503594), (455, 486992), (520, 426118), (560, 395681), (572, 387380), (616, 359710), (715, 309904), (728, 304370), (770, 287768), (880, 251797), (910, 243496), (1001, 221360), (1040, 213059), (1144, 193690), (1232, 179855), (1430, 154952), (1456, 152185), (1540, 143884), (1820, 121748), (2002, 110680), (2288, 96845), (2767, 80080), (2860, 77476), (3080, 71942), (3640, 60874), (4004, 55340), (5005, 44272), (5534, 40040), (5720, 38738), (6160, 35971), (7280, 30437), (8008, 27670), (10010, 22136), (11068, 20020), (11440, 19369), (13835, 16016)]