27947920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:393

約数の個数: 160

約数和(自身を含む): 87494400

約数和(自身を除く): 59546480

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, 349, 364, 385, 440, 455, 520, 560, 572, 616, 698, 715, 728, 770, 880, 910, 1001, 1040, 1144, 1232, 1396, 1430, 1456, 1540, 1745, 1820, 2002, 2288, 2443, 2792, 2860, 3080, 3490, 3640, 3839, 4004, 4537, 4886, 5005, 5584, 5720, 6160, 6980, 7280, 7678, 8008, 9074, 9772, 10010, 11440, 12215, 13960, 15356, 16016, 18148, 19195, 19544, 20020, 22685, 24430, 26873, 27920, 30712, 31759, 36296, 38390, 39088, 40040, 45370, 48860, 49907, 53746, 61424, 63518, 72592, 76780, 80080, 90740, 97720, 99814, 107492, 127036, 134365, 153560, 158795, 181480, 195440, 199628, 214984, 249535, 254072, 268730, 307120, 317590, 349349, 362960, 399256, 429968, 499070, 508144, 537460, 635180, 698698, 798512, 998140, 1074920, 1270360, 1397396, 1746745, 1996280, 2149840, 2540720, 2794792, 3493490, 3992560, 5589584, 6986980, 13973960, 27947920]

約数ペア:

[(1, 27947920), (2, 13973960), (4, 6986980), (5, 5589584), (7, 3992560), (8, 3493490), (10, 2794792), (11, 2540720), (13, 2149840), (14, 1996280), (16, 1746745), (20, 1397396), (22, 1270360), (26, 1074920), (28, 998140), (35, 798512), (40, 698698), (44, 635180), (52, 537460), (55, 508144), (56, 499070), (65, 429968), (70, 399256), (77, 362960), (80, 349349), (88, 317590), (91, 307120), (104, 268730), (110, 254072), (112, 249535), (130, 214984), (140, 199628), (143, 195440), (154, 181480), (176, 158795), (182, 153560), (208, 134365), (220, 127036), (260, 107492), (280, 99814), (286, 97720), (308, 90740), (349, 80080), (364, 76780), (385, 72592), (440, 63518), (455, 61424), (520, 53746), (560, 49907), (572, 48860), (616, 45370), (698, 40040), (715, 39088), (728, 38390), (770, 36296), (880, 31759), (910, 30712), (1001, 27920), (1040, 26873), (1144, 24430), (1232, 22685), (1396, 20020), (1430, 19544), (1456, 19195), (1540, 18148), (1745, 16016), (1820, 15356), (2002, 13960), (2288, 12215), (2443, 11440), (2792, 10010), (2860, 9772), (3080, 9074), (3490, 8008), (3640, 7678), (3839, 7280), (4004, 6980), (4537, 6160), (4886, 5720), (5005, 5584)]