247729680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1070

約数の個数: 240

約数和(自身を含む): 937797120

約数和(自身を除く): 690067440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 48, 55, 60, 62, 66, 72, 80, 88, 90, 93, 99, 110, 120, 124, 132, 144, 155, 165, 176, 180, 186, 198, 220, 240, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 496, 528, 558, 620, 660, 682, 720, 744, 792, 880, 930, 990, 1009, 1023, 1116, 1240, 1320, 1364, 1395, 1488, 1584, 1705, 1860, 1980, 2018, 2046, 2232, 2480, 2640, 2728, 2790, 3027, 3069, 3410, 3720, 3960, 4036, 4092, 4464, 5045, 5115, 5456, 5580, 6054, 6138, 6820, 7440, 7920, 8072, 8184, 9081, 10090, 10230, 11099, 11160, 12108, 12276, 13640, 15135, 15345, 16144, 16368, 18162, 20180, 20460, 22198, 22320, 24216, 24552, 27280, 30270, 30690, 31279, 33297, 36324, 40360, 40920, 44396, 45405, 48432, 49104, 55495, 60540, 61380, 62558, 66594, 72648, 80720, 81840, 88792, 90810, 93837, 99891, 110990, 121080, 122760, 125116, 133188, 145296, 156395, 166485, 177584, 181620, 187674, 199782, 221980, 242160, 245520, 250232, 266376, 281511, 312790, 332970, 344069, 363240, 375348, 399564, 443960, 469185, 499455, 500464, 532752, 563022, 625580, 665940, 688138, 726480, 750696, 799128, 887920, 938370, 998910, 1032207, 1126044, 1251160, 1331880, 1376276, 1407555, 1501392, 1598256, 1720345, 1876740, 1997820, 2064414, 2252088, 2502320, 2663760, 2752552, 2815110, 3096621, 3440690, 3753480, 3995640, 4128828, 4504176, 5161035, 5505104, 5630220, 6193242, 6881380, 7506960, 7991280, 8257656, 10322070, 11260440, 12386484, 13762760, 15483105, 16515312, 20644140, 22520880, 24772968, 27525520, 30966210, 41288280, 49545936, 61932420, 82576560, 123864840, 247729680]

約数ペア:

[(1, 247729680), (2, 123864840), (3, 82576560), (4, 61932420), (5, 49545936), (6, 41288280), (8, 30966210), (9, 27525520), (10, 24772968), (11, 22520880), (12, 20644140), (15, 16515312), (16, 15483105), (18, 13762760), (20, 12386484), (22, 11260440), (24, 10322070), (30, 8257656), (31, 7991280), (33, 7506960), (36, 6881380), (40, 6193242), (44, 5630220), (45, 5505104), (48, 5161035), (55, 4504176), (60, 4128828), (62, 3995640), (66, 3753480), (72, 3440690), (80, 3096621), (88, 2815110), (90, 2752552), (93, 2663760), (99, 2502320), (110, 2252088), (120, 2064414), (124, 1997820), (132, 1876740), (144, 1720345), (155, 1598256), (165, 1501392), (176, 1407555), (180, 1376276), (186, 1331880), (198, 1251160), (220, 1126044), (240, 1032207), (248, 998910), (264, 938370), (279, 887920), (310, 799128), (330, 750696), (341, 726480), (360, 688138), (372, 665940), (396, 625580), (440, 563022), (465, 532752), (495, 500464), (496, 499455), (528, 469185), (558, 443960), (620, 399564), (660, 375348), (682, 363240), (720, 344069), (744, 332970), (792, 312790), (880, 281511), (930, 266376), (990, 250232), (1009, 245520), (1023, 242160), (1116, 221980), (1240, 199782), (1320, 187674), (1364, 181620), (1395, 177584), (1488, 166485), (1584, 156395), (1705, 145296), (1860, 133188), (1980, 125116), (2018, 122760), (2046, 121080), (2232, 110990), (2480, 99891), (2640, 93837), (2728, 90810), (2790, 88792), (3027, 81840), (3069, 80720), (3410, 72648), (3720, 66594), (3960, 62558), (4036, 61380), (4092, 60540), (4464, 55495), (5045, 49104), (5115, 48432), (5456, 45405), (5580, 44396), (6054, 40920), (6138, 40360), (6820, 36324), (7440, 33297), (7920, 31279), (8072, 30690), (8184, 30270), (9081, 27280), (10090, 24552), (10230, 24216), (11099, 22320), (11160, 22198), (12108, 20460), (12276, 20180), (13640, 18162), (15135, 16368), (15345, 16144)]