80989920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5113}}^1$

素因数の和:5145

約数の個数: 144

約数和(自身を含む): 301562352

約数和(自身を除く): 220572432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5113, 5280, 7920, 10226, 15339, 15840, 20452, 25565, 30678, 40904, 46017, 51130, 56243, 61356, 76695, 81808, 92034, 102260, 112486, 122712, 153390, 163616, 168729, 184068, 204520, 224972, 230085, 245424, 281215, 306780, 337458, 368136, 409040, 449944, 460170, 490848, 506187, 562430, 613560, 674916, 736272, 818080, 843645, 899888, 920340, 1012374, 1124860, 1227120, 1349832, 1472544, 1687290, 1799776, 1840680, 2024748, 2249720, 2454240, 2530935, 2699664, 3374580, 3681360, 4049496, 4499440, 5061870, 5399328, 6749160, 7362720, 8098992, 8998880, 10123740, 13498320, 16197984, 20247480, 26996640, 40494960, 80989920]

約数ペア:

[(1, 80989920), (2, 40494960), (3, 26996640), (4, 20247480), (5, 16197984), (6, 13498320), (8, 10123740), (9, 8998880), (10, 8098992), (11, 7362720), (12, 6749160), (15, 5399328), (16, 5061870), (18, 4499440), (20, 4049496), (22, 3681360), (24, 3374580), (30, 2699664), (32, 2530935), (33, 2454240), (36, 2249720), (40, 2024748), (44, 1840680), (45, 1799776), (48, 1687290), (55, 1472544), (60, 1349832), (66, 1227120), (72, 1124860), (80, 1012374), (88, 920340), (90, 899888), (96, 843645), (99, 818080), (110, 736272), (120, 674916), (132, 613560), (144, 562430), (160, 506187), (165, 490848), (176, 460170), (180, 449944), (198, 409040), (220, 368136), (240, 337458), (264, 306780), (288, 281215), (330, 245424), (352, 230085), (360, 224972), (396, 204520), (440, 184068), (480, 168729), (495, 163616), (528, 153390), (660, 122712), (720, 112486), (792, 102260), (880, 92034), (990, 81808), (1056, 76695), (1320, 61356), (1440, 56243), (1584, 51130), (1760, 46017), (1980, 40904), (2640, 30678), (3168, 25565), (3960, 20452), (5113, 15840), (5280, 15339), (7920, 10226)]