131528320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 256

約数和(自身を含む): 417726720

約数和(自身を除く): 286198400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 32, 34, 35, 40, 44, 55, 56, 64, 68, 70, 77, 80, 85, 88, 110, 112, 119, 128, 136, 140, 154, 157, 160, 170, 176, 187, 220, 224, 238, 272, 280, 308, 314, 320, 340, 352, 374, 385, 440, 448, 476, 544, 560, 595, 616, 628, 640, 680, 704, 748, 770, 785, 880, 896, 935, 952, 1088, 1099, 1120, 1190, 1232, 1256, 1309, 1360, 1408, 1496, 1540, 1570, 1727, 1760, 1870, 1904, 2176, 2198, 2240, 2380, 2464, 2512, 2618, 2669, 2720, 2992, 3080, 3140, 3454, 3520, 3740, 3808, 4396, 4480, 4760, 4928, 5024, 5236, 5338, 5440, 5495, 5984, 6160, 6280, 6545, 6908, 7040, 7480, 7616, 8635, 8792, 9520, 9856, 10048, 10472, 10676, 10880, 10990, 11968, 12089, 12320, 12560, 13090, 13345, 13816, 14960, 15232, 17270, 17584, 18683, 19040, 20096, 20944, 21352, 21980, 23936, 24178, 24640, 25120, 26180, 26690, 27632, 29359, 29920, 34540, 35168, 37366, 38080, 41888, 42704, 43960, 48356, 49280, 50240, 52360, 53380, 55264, 58718, 59840, 60445, 69080, 70336, 74732, 76160, 83776, 85408, 87920, 93415, 96712, 100480, 104720, 106760, 110528, 117436, 119680, 120890, 138160, 140672, 146795, 149464, 167552, 170816, 175840, 186830, 193424, 205513, 209440, 213520, 221056, 234872, 241780, 276320, 293590, 298928, 341632, 351680, 373660, 386848, 411026, 418880, 427040, 469744, 483560, 552640, 587180, 597856, 703360, 747320, 773696, 822052, 837760, 854080, 939488, 967120, 1027565, 1105280, 1174360, 1195712, 1494640, 1547392, 1644104, 1708160, 1878976, 1934240, 2055130, 2348720, 2391424, 2989280, 3288208, 3757952, 3868480, 4110260, 4697440, 5978560, 6576416, 7736960, 8220520, 9394880, 11957120, 13152832, 16441040, 18789760, 26305664, 32882080, 65764160, 131528320]

約数ペア:

[(1, 131528320), (2, 65764160), (4, 32882080), (5, 26305664), (7, 18789760), (8, 16441040), (10, 13152832), (11, 11957120), (14, 9394880), (16, 8220520), (17, 7736960), (20, 6576416), (22, 5978560), (28, 4697440), (32, 4110260), (34, 3868480), (35, 3757952), (40, 3288208), (44, 2989280), (55, 2391424), (56, 2348720), (64, 2055130), (68, 1934240), (70, 1878976), (77, 1708160), (80, 1644104), (85, 1547392), (88, 1494640), (110, 1195712), (112, 1174360), (119, 1105280), (128, 1027565), (136, 967120), (140, 939488), (154, 854080), (157, 837760), (160, 822052), (170, 773696), (176, 747320), (187, 703360), (220, 597856), (224, 587180), (238, 552640), (272, 483560), (280, 469744), (308, 427040), (314, 418880), (320, 411026), (340, 386848), (352, 373660), (374, 351680), (385, 341632), (440, 298928), (448, 293590), (476, 276320), (544, 241780), (560, 234872), (595, 221056), (616, 213520), (628, 209440), (640, 205513), (680, 193424), (704, 186830), (748, 175840), (770, 170816), (785, 167552), (880, 149464), (896, 146795), (935, 140672), (952, 138160), (1088, 120890), (1099, 119680), (1120, 117436), (1190, 110528), (1232, 106760), (1256, 104720), (1309, 100480), (1360, 96712), (1408, 93415), (1496, 87920), (1540, 85408), (1570, 83776), (1727, 76160), (1760, 74732), (1870, 70336), (1904, 69080), (2176, 60445), (2198, 59840), (2240, 58718), (2380, 55264), (2464, 53380), (2512, 52360), (2618, 50240), (2669, 49280), (2720, 48356), (2992, 43960), (3080, 42704), (3140, 41888), (3454, 38080), (3520, 37366), (3740, 35168), (3808, 34540), (4396, 29920), (4480, 29359), (4760, 27632), (4928, 26690), (5024, 26180), (5236, 25120), (5338, 24640), (5440, 24178), (5495, 23936), (5984, 21980), (6160, 21352), (6280, 20944), (6545, 20096), (6908, 19040), (7040, 18683), (7480, 17584), (7616, 17270), (8635, 15232), (8792, 14960), (9520, 13816), (9856, 13345), (10048, 13090), (10472, 12560), (10676, 12320), (10880, 12089), (10990, 11968)]