61471440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:362

約数の個数: 160

約数和(自身を含む): 214272000

約数和(自身を除く): 152800560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 149, 180, 191, 216, 240, 270, 298, 360, 382, 432, 447, 540, 573, 596, 720, 745, 764, 894, 955, 1080, 1146, 1192, 1341, 1490, 1528, 1719, 1788, 1910, 2160, 2235, 2292, 2384, 2682, 2865, 2980, 3056, 3438, 3576, 3820, 4023, 4470, 4584, 5157, 5364, 5730, 5960, 6705, 6876, 7152, 7640, 8046, 8595, 8940, 9168, 10314, 10728, 11460, 11920, 13410, 13752, 15280, 16092, 17190, 17880, 20115, 20628, 21456, 22920, 25785, 26820, 27504, 28459, 32184, 34380, 35760, 40230, 41256, 45840, 51570, 53640, 56918, 64368, 68760, 80460, 82512, 85377, 103140, 107280, 113836, 137520, 142295, 160920, 170754, 206280, 227672, 256131, 284590, 321840, 341508, 412560, 426885, 455344, 512262, 569180, 683016, 768393, 853770, 1024524, 1138360, 1280655, 1366032, 1536786, 1707540, 2049048, 2276720, 2561310, 3073572, 3415080, 3841965, 4098096, 5122620, 6147144, 6830160, 7683930, 10245240, 12294288, 15367860, 20490480, 30735720, 61471440]

約数ペア:

[(1, 61471440), (2, 30735720), (3, 20490480), (4, 15367860), (5, 12294288), (6, 10245240), (8, 7683930), (9, 6830160), (10, 6147144), (12, 5122620), (15, 4098096), (16, 3841965), (18, 3415080), (20, 3073572), (24, 2561310), (27, 2276720), (30, 2049048), (36, 1707540), (40, 1536786), (45, 1366032), (48, 1280655), (54, 1138360), (60, 1024524), (72, 853770), (80, 768393), (90, 683016), (108, 569180), (120, 512262), (135, 455344), (144, 426885), (149, 412560), (180, 341508), (191, 321840), (216, 284590), (240, 256131), (270, 227672), (298, 206280), (360, 170754), (382, 160920), (432, 142295), (447, 137520), (540, 113836), (573, 107280), (596, 103140), (720, 85377), (745, 82512), (764, 80460), (894, 68760), (955, 64368), (1080, 56918), (1146, 53640), (1192, 51570), (1341, 45840), (1490, 41256), (1528, 40230), (1719, 35760), (1788, 34380), (1910, 32184), (2160, 28459), (2235, 27504), (2292, 26820), (2384, 25785), (2682, 22920), (2865, 21456), (2980, 20628), (3056, 20115), (3438, 17880), (3576, 17190), (3820, 16092), (4023, 15280), (4470, 13752), (4584, 13410), (5157, 11920), (5364, 11460), (5730, 10728), (5960, 10314), (6705, 9168), (6876, 8940), (7152, 8595), (7640, 8046)]