251278560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:498

約数の個数: 288

約数和(自身を含む): 955438848

約数和(自身を除く): 704160288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 32, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 96, 104, 117, 120, 124, 130, 144, 155, 156, 160, 180, 186, 195, 208, 234, 240, 248, 260, 279, 288, 310, 312, 360, 372, 390, 403, 416, 433, 465, 468, 480, 496, 520, 558, 585, 620, 624, 720, 744, 780, 806, 866, 930, 936, 992, 1040, 1116, 1170, 1209, 1240, 1248, 1299, 1395, 1440, 1488, 1560, 1612, 1732, 1860, 1872, 2015, 2080, 2165, 2232, 2340, 2418, 2480, 2598, 2790, 2976, 3120, 3224, 3464, 3627, 3720, 3744, 3897, 4030, 4330, 4464, 4680, 4836, 4960, 5196, 5580, 5629, 6045, 6240, 6448, 6495, 6928, 7254, 7440, 7794, 8060, 8660, 8928, 9360, 9672, 10392, 11160, 11258, 12090, 12896, 12990, 13423, 13856, 14508, 14880, 15588, 16120, 16887, 17320, 18135, 18720, 19344, 19485, 20784, 22320, 22516, 24180, 25980, 26846, 28145, 29016, 31176, 32240, 33774, 34640, 36270, 38688, 38970, 40269, 41568, 44640, 45032, 48360, 50661, 51960, 53692, 56290, 58032, 62352, 64480, 67115, 67548, 69280, 72540, 77940, 80538, 84435, 90064, 96720, 101322, 103920, 107384, 112580, 116064, 120807, 124704, 134230, 135096, 145080, 155880, 161076, 168870, 174499, 180128, 193440, 201345, 202644, 207840, 214768, 225160, 241614, 253305, 268460, 270192, 290160, 311760, 322152, 337740, 348998, 402690, 405288, 429536, 450320, 483228, 506610, 523497, 536920, 540384, 580320, 604035, 623520, 644304, 675480, 697996, 805380, 810576, 872495, 900640, 966456, 1013220, 1046994, 1073840, 1208070, 1288608, 1350960, 1395992, 1570491, 1610760, 1621152, 1744990, 1932912, 2026440, 2093988, 2147680, 2416140, 2617485, 2701920, 2791984, 3140982, 3221520, 3489980, 3865824, 4052880, 4187976, 4832280, 5234970, 5583968, 6281964, 6443040, 6979960, 7852455, 8105760, 8375952, 9664560, 10469940, 12563928, 13959920, 15704910, 16751904, 19329120, 20939880, 25127856, 27919840, 31409820, 41879760, 50255712, 62819640, 83759520, 125639280, 251278560]

約数ペア:

[(1, 251278560), (2, 125639280), (3, 83759520), (4, 62819640), (5, 50255712), (6, 41879760), (8, 31409820), (9, 27919840), (10, 25127856), (12, 20939880), (13, 19329120), (15, 16751904), (16, 15704910), (18, 13959920), (20, 12563928), (24, 10469940), (26, 9664560), (30, 8375952), (31, 8105760), (32, 7852455), (36, 6979960), (39, 6443040), (40, 6281964), (45, 5583968), (48, 5234970), (52, 4832280), (60, 4187976), (62, 4052880), (65, 3865824), (72, 3489980), (78, 3221520), (80, 3140982), (90, 2791984), (93, 2701920), (96, 2617485), (104, 2416140), (117, 2147680), (120, 2093988), (124, 2026440), (130, 1932912), (144, 1744990), (155, 1621152), (156, 1610760), (160, 1570491), (180, 1395992), (186, 1350960), (195, 1288608), (208, 1208070), (234, 1073840), (240, 1046994), (248, 1013220), (260, 966456), (279, 900640), (288, 872495), (310, 810576), (312, 805380), (360, 697996), (372, 675480), (390, 644304), (403, 623520), (416, 604035), (433, 580320), (465, 540384), (468, 536920), (480, 523497), (496, 506610), (520, 483228), (558, 450320), (585, 429536), (620, 405288), (624, 402690), (720, 348998), (744, 337740), (780, 322152), (806, 311760), (866, 290160), (930, 270192), (936, 268460), (992, 253305), (1040, 241614), (1116, 225160), (1170, 214768), (1209, 207840), (1240, 202644), (1248, 201345), (1299, 193440), (1395, 180128), (1440, 174499), (1488, 168870), (1560, 161076), (1612, 155880), (1732, 145080), (1860, 135096), (1872, 134230), (2015, 124704), (2080, 120807), (2165, 116064), (2232, 112580), (2340, 107384), (2418, 103920), (2480, 101322), (2598, 96720), (2790, 90064), (2976, 84435), (3120, 80538), (3224, 77940), (3464, 72540), (3627, 69280), (3720, 67548), (3744, 67115), (3897, 64480), (4030, 62352), (4330, 58032), (4464, 56290), (4680, 53692), (4836, 51960), (4960, 50661), (5196, 48360), (5580, 45032), (5629, 44640), (6045, 41568), (6240, 40269), (6448, 38970), (6495, 38688), (6928, 36270), (7254, 34640), (7440, 33774), (7794, 32240), (8060, 31176), (8660, 29016), (8928, 28145), (9360, 26846), (9672, 25980), (10392, 24180), (11160, 22516), (11258, 22320), (12090, 20784), (12896, 19485), (12990, 19344), (13423, 18720), (13856, 18135), (14508, 17320), (14880, 16887), (15588, 16120)]