221356080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1471}}^1$

素因数の和:1520

約数の個数: 240

約数和(自身を含む): 854231040

約数和(自身を除く): 632874960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 110, 114, 120, 132, 144, 152, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 264, 285, 304, 330, 342, 360, 380, 396, 418, 440, 456, 495, 528, 570, 627, 660, 684, 720, 760, 792, 836, 855, 880, 912, 990, 1045, 1140, 1254, 1320, 1368, 1471, 1520, 1584, 1672, 1710, 1881, 1980, 2090, 2280, 2508, 2640, 2736, 2942, 3135, 3344, 3420, 3762, 3960, 4180, 4413, 4560, 5016, 5884, 6270, 6840, 7355, 7524, 7920, 8360, 8826, 9405, 10032, 11768, 12540, 13239, 13680, 14710, 15048, 16181, 16720, 17652, 18810, 22065, 23536, 25080, 26478, 27949, 29420, 30096, 32362, 35304, 37620, 44130, 48543, 50160, 52956, 55898, 58840, 64724, 66195, 70608, 75240, 80905, 83847, 88260, 97086, 105912, 111796, 117680, 129448, 132390, 139745, 145629, 150480, 161810, 167694, 176520, 194172, 211824, 223592, 242715, 251541, 258896, 264780, 279490, 291258, 307439, 323620, 335388, 353040, 388344, 419235, 447184, 485430, 503082, 529560, 558980, 582516, 614878, 647240, 670776, 728145, 776688, 838470, 922317, 970860, 1006164, 1059120, 1117960, 1165032, 1229756, 1257705, 1294480, 1341552, 1456290, 1537195, 1676940, 1844634, 1941720, 2012328, 2235920, 2330064, 2459512, 2515410, 2766951, 2912580, 3074390, 3353880, 3689268, 3883440, 4024656, 4611585, 4919024, 5030820, 5533902, 5825160, 6148780, 6707760, 7378536, 9223170, 10061640, 11067804, 11650320, 12297560, 13834755, 14757072, 18446340, 20123280, 22135608, 24595120, 27669510, 36892680, 44271216, 55339020, 73785360, 110678040, 221356080]

約数ペア:

[(1, 221356080), (2, 110678040), (3, 73785360), (4, 55339020), (5, 44271216), (6, 36892680), (8, 27669510), (9, 24595120), (10, 22135608), (11, 20123280), (12, 18446340), (15, 14757072), (16, 13834755), (18, 12297560), (19, 11650320), (20, 11067804), (22, 10061640), (24, 9223170), (30, 7378536), (33, 6707760), (36, 6148780), (38, 5825160), (40, 5533902), (44, 5030820), (45, 4919024), (48, 4611585), (55, 4024656), (57, 3883440), (60, 3689268), (66, 3353880), (72, 3074390), (76, 2912580), (80, 2766951), (88, 2515410), (90, 2459512), (95, 2330064), (99, 2235920), (110, 2012328), (114, 1941720), (120, 1844634), (132, 1676940), (144, 1537195), (152, 1456290), (165, 1341552), (171, 1294480), (176, 1257705), (180, 1229756), (190, 1165032), (198, 1117960), (209, 1059120), (220, 1006164), (228, 970860), (240, 922317), (264, 838470), (285, 776688), (304, 728145), (330, 670776), (342, 647240), (360, 614878), (380, 582516), (396, 558980), (418, 529560), (440, 503082), (456, 485430), (495, 447184), (528, 419235), (570, 388344), (627, 353040), (660, 335388), (684, 323620), (720, 307439), (760, 291258), (792, 279490), (836, 264780), (855, 258896), (880, 251541), (912, 242715), (990, 223592), (1045, 211824), (1140, 194172), (1254, 176520), (1320, 167694), (1368, 161810), (1471, 150480), (1520, 145629), (1584, 139745), (1672, 132390), (1710, 129448), (1881, 117680), (1980, 111796), (2090, 105912), (2280, 97086), (2508, 88260), (2640, 83847), (2736, 80905), (2942, 75240), (3135, 70608), (3344, 66195), (3420, 64724), (3762, 58840), (3960, 55898), (4180, 52956), (4413, 50160), (4560, 48543), (5016, 44130), (5884, 37620), (6270, 35304), (6840, 32362), (7355, 30096), (7524, 29420), (7920, 27949), (8360, 26478), (8826, 25080), (9405, 23536), (10032, 22065), (11768, 18810), (12540, 17652), (13239, 16720), (13680, 16181), (14710, 15048)]