280821060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:507

約数の個数: 192

約数和(自身を含む): 952089600

約数和(自身を除く): 671268540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 109, 117, 130, 135, 156, 180, 195, 218, 234, 260, 270, 327, 351, 367, 390, 436, 468, 540, 545, 585, 654, 702, 734, 780, 981, 1090, 1101, 1170, 1308, 1404, 1417, 1468, 1635, 1755, 1835, 1962, 2180, 2202, 2340, 2834, 2943, 3270, 3303, 3510, 3670, 3924, 4251, 4404, 4771, 4905, 5505, 5668, 5886, 6540, 6606, 7020, 7085, 7340, 8502, 9542, 9810, 9909, 11010, 11772, 12753, 13212, 14170, 14313, 14715, 16515, 17004, 19084, 19620, 19818, 21255, 22020, 23855, 25506, 28340, 28626, 29430, 33030, 38259, 39636, 40003, 42510, 42939, 47710, 49545, 51012, 57252, 58860, 63765, 66060, 71565, 76518, 80006, 85020, 85878, 95420, 99090, 120009, 127530, 128817, 143130, 153036, 160012, 171756, 191295, 198180, 200015, 214695, 240018, 255060, 257634, 286260, 360027, 382590, 400030, 429390, 480036, 515268, 520039, 600045, 644085, 720054, 765180, 800060, 858780, 1040078, 1080081, 1200090, 1288170, 1440108, 1560117, 1800135, 2080156, 2160162, 2400180, 2576340, 2600195, 3120234, 3600270, 4320324, 4680351, 5200390, 5400405, 6240468, 7200540, 7800585, 9360702, 10400780, 10800810, 14041053, 15601170, 18721404, 21601620, 23401755, 28082106, 31202340, 46803510, 56164212, 70205265, 93607020, 140410530, 280821060]

約数ペア:

[(1, 280821060), (2, 140410530), (3, 93607020), (4, 70205265), (5, 56164212), (6, 46803510), (9, 31202340), (10, 28082106), (12, 23401755), (13, 21601620), (15, 18721404), (18, 15601170), (20, 14041053), (26, 10800810), (27, 10400780), (30, 9360702), (36, 7800585), (39, 7200540), (45, 6240468), (52, 5400405), (54, 5200390), (60, 4680351), (65, 4320324), (78, 3600270), (90, 3120234), (108, 2600195), (109, 2576340), (117, 2400180), (130, 2160162), (135, 2080156), (156, 1800135), (180, 1560117), (195, 1440108), (218, 1288170), (234, 1200090), (260, 1080081), (270, 1040078), (327, 858780), (351, 800060), (367, 765180), (390, 720054), (436, 644085), (468, 600045), (540, 520039), (545, 515268), (585, 480036), (654, 429390), (702, 400030), (734, 382590), (780, 360027), (981, 286260), (1090, 257634), (1101, 255060), (1170, 240018), (1308, 214695), (1404, 200015), (1417, 198180), (1468, 191295), (1635, 171756), (1755, 160012), (1835, 153036), (1962, 143130), (2180, 128817), (2202, 127530), (2340, 120009), (2834, 99090), (2943, 95420), (3270, 85878), (3303, 85020), (3510, 80006), (3670, 76518), (3924, 71565), (4251, 66060), (4404, 63765), (4771, 58860), (4905, 57252), (5505, 51012), (5668, 49545), (5886, 47710), (6540, 42939), (6606, 42510), (7020, 40003), (7085, 39636), (7340, 38259), (8502, 33030), (9542, 29430), (9810, 28626), (9909, 28340), (11010, 25506), (11772, 23855), (12753, 22020), (13212, 21255), (14170, 19818), (14313, 19620), (14715, 19084), (16515, 17004)]