398708640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25171}}^1$

素因数の和:25203

約数の個数: 144

約数和(自身を含む): 1484342496

約数和(自身を除く): 1085633856

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, 5280, 7920, 15840, 25171, 50342, 75513, 100684, 125855, 151026, 201368, 226539, 251710, 276881, 302052, 377565, 402736, 453078, 503420, 553762, 604104, 755130, 805472, 830643, 906156, 1006840, 1107524, 1132695, 1208208, 1384405, 1510260, 1661286, 1812312, 2013680, 2215048, 2265390, 2416416, 2491929, 2768810, 3020520, 3322572, 3624624, 4027360, 4153215, 4430096, 4530780, 4983858, 5537620, 6041040, 6645144, 7249248, 8306430, 8860192, 9061560, 9967716, 11075240, 12082080, 12459645, 13290288, 16612860, 18123120, 19935432, 22150480, 24919290, 26580576, 33225720, 36246240, 39870864, 44300960, 49838580, 66451440, 79741728, 99677160, 132902880, 199354320, 398708640]

約数ペア:

[(1, 398708640), (2, 199354320), (3, 132902880), (4, 99677160), (5, 79741728), (6, 66451440), (8, 49838580), (9, 44300960), (10, 39870864), (11, 36246240), (12, 33225720), (15, 26580576), (16, 24919290), (18, 22150480), (20, 19935432), (22, 18123120), (24, 16612860), (30, 13290288), (32, 12459645), (33, 12082080), (36, 11075240), (40, 9967716), (44, 9061560), (45, 8860192), (48, 8306430), (55, 7249248), (60, 6645144), (66, 6041040), (72, 5537620), (80, 4983858), (88, 4530780), (90, 4430096), (96, 4153215), (99, 4027360), (110, 3624624), (120, 3322572), (132, 3020520), (144, 2768810), (160, 2491929), (165, 2416416), (176, 2265390), (180, 2215048), (198, 2013680), (220, 1812312), (240, 1661286), (264, 1510260), (288, 1384405), (330, 1208208), (352, 1132695), (360, 1107524), (396, 1006840), (440, 906156), (480, 830643), (495, 805472), (528, 755130), (660, 604104), (720, 553762), (792, 503420), (880, 453078), (990, 402736), (1056, 377565), (1320, 302052), (1440, 276881), (1584, 251710), (1760, 226539), (1980, 201368), (2640, 151026), (3168, 125855), (3960, 100684), (5280, 75513), (7920, 50342), (15840, 25171)]