217385640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 256

約数和(自身を含む): 770457600

約数和(自身を除く): 553071960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 43, 45, 54, 60, 62, 72, 86, 90, 93, 108, 120, 124, 129, 135, 151, 155, 172, 180, 186, 215, 216, 248, 258, 270, 279, 302, 310, 344, 360, 372, 387, 430, 453, 465, 516, 540, 558, 604, 620, 645, 744, 755, 774, 837, 860, 906, 930, 1032, 1080, 1116, 1161, 1208, 1240, 1290, 1333, 1359, 1395, 1510, 1548, 1674, 1720, 1812, 1860, 1935, 2232, 2265, 2322, 2580, 2666, 2718, 2790, 3020, 3096, 3348, 3624, 3720, 3870, 3999, 4077, 4185, 4530, 4644, 4681, 5160, 5332, 5436, 5580, 5805, 6040, 6493, 6665, 6696, 6795, 7740, 7998, 8154, 8370, 9060, 9288, 9362, 10664, 10872, 11160, 11610, 11997, 12986, 13330, 13590, 14043, 15480, 15996, 16308, 16740, 18120, 18724, 19479, 19995, 20385, 23220, 23405, 23994, 25972, 26660, 27180, 28086, 31992, 32465, 32616, 33480, 35991, 37448, 38958, 39990, 40770, 42129, 46440, 46810, 47988, 51944, 53320, 54360, 56172, 58437, 59985, 64930, 70215, 71982, 77916, 79980, 81540, 84258, 93620, 95976, 97395, 112344, 116874, 119970, 126387, 129860, 140430, 143964, 155832, 159960, 163080, 168516, 175311, 179955, 187240, 194790, 201283, 210645, 233748, 239940, 252774, 259720, 280860, 287928, 292185, 337032, 350622, 359910, 389580, 402566, 421290, 467496, 479880, 505548, 561720, 584370, 603849, 631935, 701244, 719820, 779160, 805132, 842580, 876555, 1006415, 1011096, 1168740, 1207698, 1263870, 1402488, 1439640, 1610264, 1685160, 1753110, 1811547, 2012830, 2337480, 2415396, 2527740, 3019245, 3506220, 3623094, 4025660, 4830792, 5055480, 5434641, 6038490, 7012440, 7246188, 8051320, 9057735, 10869282, 12076980, 14492376, 18115470, 21738564, 24153960, 27173205, 36230940, 43477128, 54346410, 72461880, 108692820, 217385640]

約数ペア:

[(1, 217385640), (2, 108692820), (3, 72461880), (4, 54346410), (5, 43477128), (6, 36230940), (8, 27173205), (9, 24153960), (10, 21738564), (12, 18115470), (15, 14492376), (18, 12076980), (20, 10869282), (24, 9057735), (27, 8051320), (30, 7246188), (31, 7012440), (36, 6038490), (40, 5434641), (43, 5055480), (45, 4830792), (54, 4025660), (60, 3623094), (62, 3506220), (72, 3019245), (86, 2527740), (90, 2415396), (93, 2337480), (108, 2012830), (120, 1811547), (124, 1753110), (129, 1685160), (135, 1610264), (151, 1439640), (155, 1402488), (172, 1263870), (180, 1207698), (186, 1168740), (215, 1011096), (216, 1006415), (248, 876555), (258, 842580), (270, 805132), (279, 779160), (302, 719820), (310, 701244), (344, 631935), (360, 603849), (372, 584370), (387, 561720), (430, 505548), (453, 479880), (465, 467496), (516, 421290), (540, 402566), (558, 389580), (604, 359910), (620, 350622), (645, 337032), (744, 292185), (755, 287928), (774, 280860), (837, 259720), (860, 252774), (906, 239940), (930, 233748), (1032, 210645), (1080, 201283), (1116, 194790), (1161, 187240), (1208, 179955), (1240, 175311), (1290, 168516), (1333, 163080), (1359, 159960), (1395, 155832), (1510, 143964), (1548, 140430), (1674, 129860), (1720, 126387), (1812, 119970), (1860, 116874), (1935, 112344), (2232, 97395), (2265, 95976), (2322, 93620), (2580, 84258), (2666, 81540), (2718, 79980), (2790, 77916), (3020, 71982), (3096, 70215), (3348, 64930), (3624, 59985), (3720, 58437), (3870, 56172), (3999, 54360), (4077, 53320), (4185, 51944), (4530, 47988), (4644, 46810), (4681, 46440), (5160, 42129), (5332, 40770), (5436, 39990), (5580, 38958), (5805, 37448), (6040, 35991), (6493, 33480), (6665, 32616), (6696, 32465), (6795, 31992), (7740, 28086), (7998, 27180), (8154, 26660), (8370, 25972), (9060, 23994), (9288, 23405), (9362, 23220), (10664, 20385), (10872, 19995), (11160, 19479), (11610, 18724), (11997, 18120), (12986, 16740), (13330, 16308), (13590, 15996), (14043, 15480)]