1917926640

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{18121}}^1$

素因数の和:18157

約数の個数: 240

約数和(自身を含む): 7685177760

約数和(自身を除く): 5767251120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3528, 3780, 3920, 4410, 5040, 5292, 5880, 6615, 7056, 7560, 8820, 10584, 11760, 13230, 15120, 17640, 18121, 21168, 26460, 35280, 36242, 52920, 54363, 72484, 90605, 105840, 108726, 126847, 144968, 163089, 181210, 217452, 253694, 271815, 289936, 326178, 362420, 380541, 434904, 489267, 507388, 543630, 634235, 652356, 724840, 761082, 815445, 869808, 887929, 978534, 1014776, 1087260, 1141623, 1268470, 1304712, 1449680, 1522164, 1630890, 1775858, 1902705, 1957068, 2029552, 2174520, 2283246, 2446335, 2536940, 2609424, 2663787, 3044328, 3261780, 3424869, 3551716, 3805410, 3914136, 4349040, 4439645, 4566492, 4892670, 5073880, 5327574, 5708115, 6088656, 6523560, 6849738, 7103432, 7610820, 7828272, 7991361, 8879290, 9132984, 9785340, 10147760, 10655148, 11416230, 13047120, 13318935, 13699476, 14206864, 15221640, 15982722, 17124345, 17758580, 18265968, 19570680, 21310296, 22832460, 23974083, 26637870, 27398952, 30443280, 31965444, 34248690, 35517160, 39141360, 39956805, 42620592, 45664920, 47948166, 53275740, 54797904, 63930888, 68497380, 71034320, 79913610, 91329840, 95896332, 106551480, 119870415, 127861776, 136994760, 159827220, 191792664, 213102960, 239740830, 273989520, 319654440, 383585328, 479481660, 639308880, 958963320, 1917926640]

約数ペア:

[(1, 1917926640), (2, 958963320), (3, 639308880), (4, 479481660), (5, 383585328), (6, 319654440), (7, 273989520), (8, 239740830), (9, 213102960), (10, 191792664), (12, 159827220), (14, 136994760), (15, 127861776), (16, 119870415), (18, 106551480), (20, 95896332), (21, 91329840), (24, 79913610), (27, 71034320), (28, 68497380), (30, 63930888), (35, 54797904), (36, 53275740), (40, 47948166), (42, 45664920), (45, 42620592), (48, 39956805), (49, 39141360), (54, 35517160), (56, 34248690), (60, 31965444), (63, 30443280), (70, 27398952), (72, 26637870), (80, 23974083), (84, 22832460), (90, 21310296), (98, 19570680), (105, 18265968), (108, 17758580), (112, 17124345), (120, 15982722), (126, 15221640), (135, 14206864), (140, 13699476), (144, 13318935), (147, 13047120), (168, 11416230), (180, 10655148), (189, 10147760), (196, 9785340), (210, 9132984), (216, 8879290), (240, 7991361), (245, 7828272), (252, 7610820), (270, 7103432), (280, 6849738), (294, 6523560), (315, 6088656), (336, 5708115), (360, 5327574), (378, 5073880), (392, 4892670), (420, 4566492), (432, 4439645), (441, 4349040), (490, 3914136), (504, 3805410), (540, 3551716), (560, 3424869), (588, 3261780), (630, 3044328), (720, 2663787), (735, 2609424), (756, 2536940), (784, 2446335), (840, 2283246), (882, 2174520), (945, 2029552), (980, 1957068), (1008, 1902705), (1080, 1775858), (1176, 1630890), (1260, 1522164), (1323, 1449680), (1470, 1304712), (1512, 1268470), (1680, 1141623), (1764, 1087260), (1890, 1014776), (1960, 978534), (2160, 887929), (2205, 869808), (2352, 815445), (2520, 761082), (2646, 724840), (2940, 652356), (3024, 634235), (3528, 543630), (3780, 507388), (3920, 489267), (4410, 434904), (5040, 380541), (5292, 362420), (5880, 326178), (6615, 289936), (7056, 271815), (7560, 253694), (8820, 217452), (10584, 181210), (11760, 163089), (13230, 144968), (15120, 126847), (17640, 108726), (18121, 105840), (21168, 90605), (26460, 72484), (35280, 54363), (36242, 52920)]