491111280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1051}}^1$

素因数の和:1140

約数の個数: 240

約数和(自身を含む): 1831489920

約数和(自身を除く): 1340378640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 59, 60, 66, 72, 80, 88, 90, 99, 110, 118, 120, 132, 144, 165, 176, 177, 180, 198, 220, 236, 240, 264, 295, 330, 354, 360, 396, 440, 472, 495, 528, 531, 590, 649, 660, 708, 720, 792, 880, 885, 944, 990, 1051, 1062, 1180, 1298, 1320, 1416, 1584, 1770, 1947, 1980, 2102, 2124, 2360, 2596, 2640, 2655, 2832, 3153, 3245, 3540, 3894, 3960, 4204, 4248, 4720, 5192, 5255, 5310, 5841, 6306, 6490, 7080, 7788, 7920, 8408, 8496, 9459, 9735, 10384, 10510, 10620, 11561, 11682, 12612, 12980, 14160, 15576, 15765, 16816, 18918, 19470, 21020, 21240, 23122, 23364, 25224, 25960, 29205, 31152, 31530, 34683, 37836, 38940, 42040, 42480, 46244, 46728, 47295, 50448, 51920, 57805, 58410, 62009, 63060, 69366, 75672, 77880, 84080, 92488, 93456, 94590, 104049, 115610, 116820, 124018, 126120, 138732, 151344, 155760, 173415, 184976, 186027, 189180, 208098, 231220, 233640, 248036, 252240, 277464, 310045, 346830, 372054, 378360, 416196, 462440, 467280, 496072, 520245, 554928, 558081, 620090, 682099, 693660, 744108, 756720, 832392, 924880, 930135, 992144, 1040490, 1116162, 1240180, 1364198, 1387320, 1488216, 1664784, 1860270, 2046297, 2080980, 2232324, 2480360, 2728396, 2774640, 2790405, 2976432, 3410495, 3720540, 4092594, 4161960, 4464648, 4960720, 5456792, 5580810, 6138891, 6820990, 7441080, 8185188, 8323920, 8929296, 10231485, 10913584, 11161620, 12277782, 13641980, 14882160, 16370376, 20462970, 22323240, 24555564, 27283960, 30694455, 32740752, 40925940, 44646480, 49111128, 54567920, 61388910, 81851880, 98222256, 122777820, 163703760, 245555640, 491111280]

約数ペア:

[(1, 491111280), (2, 245555640), (3, 163703760), (4, 122777820), (5, 98222256), (6, 81851880), (8, 61388910), (9, 54567920), (10, 49111128), (11, 44646480), (12, 40925940), (15, 32740752), (16, 30694455), (18, 27283960), (20, 24555564), (22, 22323240), (24, 20462970), (30, 16370376), (33, 14882160), (36, 13641980), (40, 12277782), (44, 11161620), (45, 10913584), (48, 10231485), (55, 8929296), (59, 8323920), (60, 8185188), (66, 7441080), (72, 6820990), (80, 6138891), (88, 5580810), (90, 5456792), (99, 4960720), (110, 4464648), (118, 4161960), (120, 4092594), (132, 3720540), (144, 3410495), (165, 2976432), (176, 2790405), (177, 2774640), (180, 2728396), (198, 2480360), (220, 2232324), (236, 2080980), (240, 2046297), (264, 1860270), (295, 1664784), (330, 1488216), (354, 1387320), (360, 1364198), (396, 1240180), (440, 1116162), (472, 1040490), (495, 992144), (528, 930135), (531, 924880), (590, 832392), (649, 756720), (660, 744108), (708, 693660), (720, 682099), (792, 620090), (880, 558081), (885, 554928), (944, 520245), (990, 496072), (1051, 467280), (1062, 462440), (1180, 416196), (1298, 378360), (1320, 372054), (1416, 346830), (1584, 310045), (1770, 277464), (1947, 252240), (1980, 248036), (2102, 233640), (2124, 231220), (2360, 208098), (2596, 189180), (2640, 186027), (2655, 184976), (2832, 173415), (3153, 155760), (3245, 151344), (3540, 138732), (3894, 126120), (3960, 124018), (4204, 116820), (4248, 115610), (4720, 104049), (5192, 94590), (5255, 93456), (5310, 92488), (5841, 84080), (6306, 77880), (6490, 75672), (7080, 69366), (7788, 63060), (7920, 62009), (8408, 58410), (8496, 57805), (9459, 51920), (9735, 50448), (10384, 47295), (10510, 46728), (10620, 46244), (11561, 42480), (11682, 42040), (12612, 38940), (12980, 37836), (14160, 34683), (15576, 31530), (15765, 31152), (16816, 29205), (18918, 25960), (19470, 25224), (21020, 23364), (21240, 23122)]