605555280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:674

約数の個数: 240

約数和(自身を含む): 2237249664

約数和(自身を除く): 1631694384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 157, 165, 176, 180, 198, 220, 240, 264, 314, 330, 360, 396, 440, 471, 487, 495, 528, 628, 660, 720, 785, 792, 880, 942, 974, 990, 1256, 1320, 1413, 1461, 1570, 1584, 1727, 1884, 1948, 1980, 2355, 2435, 2512, 2640, 2826, 2922, 3140, 3454, 3768, 3896, 3960, 4383, 4710, 4870, 5181, 5357, 5652, 5844, 6280, 6908, 7065, 7305, 7536, 7792, 7920, 8635, 8766, 9420, 9740, 10362, 10714, 11304, 11688, 12560, 13816, 14130, 14610, 15543, 16071, 17270, 17532, 18840, 19480, 20724, 21428, 21915, 22608, 23376, 25905, 26785, 27632, 28260, 29220, 31086, 32142, 34540, 35064, 37680, 38960, 41448, 42856, 43830, 48213, 51810, 53570, 56520, 58440, 62172, 64284, 69080, 70128, 76459, 77715, 80355, 82896, 85712, 87660, 96426, 103620, 107140, 113040, 116880, 124344, 128568, 138160, 152918, 155430, 160710, 175320, 192852, 207240, 214280, 229377, 241065, 248688, 257136, 305836, 310860, 321420, 350640, 382295, 385704, 414480, 428560, 458754, 482130, 611672, 621720, 642840, 688131, 764590, 771408, 841049, 917508, 964260, 1146885, 1223344, 1243440, 1285680, 1376262, 1529180, 1682098, 1835016, 1928520, 2293770, 2523147, 2752524, 3058360, 3364196, 3440655, 3670032, 3857040, 4205245, 4587540, 5046294, 5505048, 6116720, 6728392, 6881310, 7569441, 8410490, 9175080, 10092588, 11010096, 12615735, 13456784, 13762620, 15138882, 16820980, 18350160, 20185176, 25231470, 27525240, 30277764, 33641960, 37847205, 40370352, 50462940, 55050480, 60555528, 67283920, 75694410, 100925880, 121111056, 151388820, 201851760, 302777640, 605555280]

約数ペア:

[(1, 605555280), (2, 302777640), (3, 201851760), (4, 151388820), (5, 121111056), (6, 100925880), (8, 75694410), (9, 67283920), (10, 60555528), (11, 55050480), (12, 50462940), (15, 40370352), (16, 37847205), (18, 33641960), (20, 30277764), (22, 27525240), (24, 25231470), (30, 20185176), (33, 18350160), (36, 16820980), (40, 15138882), (44, 13762620), (45, 13456784), (48, 12615735), (55, 11010096), (60, 10092588), (66, 9175080), (72, 8410490), (80, 7569441), (88, 6881310), (90, 6728392), (99, 6116720), (110, 5505048), (120, 5046294), (132, 4587540), (144, 4205245), (157, 3857040), (165, 3670032), (176, 3440655), (180, 3364196), (198, 3058360), (220, 2752524), (240, 2523147), (264, 2293770), (314, 1928520), (330, 1835016), (360, 1682098), (396, 1529180), (440, 1376262), (471, 1285680), (487, 1243440), (495, 1223344), (528, 1146885), (628, 964260), (660, 917508), (720, 841049), (785, 771408), (792, 764590), (880, 688131), (942, 642840), (974, 621720), (990, 611672), (1256, 482130), (1320, 458754), (1413, 428560), (1461, 414480), (1570, 385704), (1584, 382295), (1727, 350640), (1884, 321420), (1948, 310860), (1980, 305836), (2355, 257136), (2435, 248688), (2512, 241065), (2640, 229377), (2826, 214280), (2922, 207240), (3140, 192852), (3454, 175320), (3768, 160710), (3896, 155430), (3960, 152918), (4383, 138160), (4710, 128568), (4870, 124344), (5181, 116880), (5357, 113040), (5652, 107140), (5844, 103620), (6280, 96426), (6908, 87660), (7065, 85712), (7305, 82896), (7536, 80355), (7792, 77715), (7920, 76459), (8635, 70128), (8766, 69080), (9420, 64284), (9740, 62172), (10362, 58440), (10714, 56520), (11304, 53570), (11688, 51810), (12560, 48213), (13816, 43830), (14130, 42856), (14610, 41448), (15543, 38960), (16071, 37680), (17270, 35064), (17532, 34540), (18840, 32142), (19480, 31086), (20724, 29220), (21428, 28260), (21915, 27632), (22608, 26785), (23376, 25905)]