251133480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:641

約数の個数: 256

約数和(自身を含む): 932198400

約数和(自身を除く): 681064920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 52, 54, 60, 62, 65, 72, 78, 90, 93, 104, 108, 117, 120, 124, 130, 135, 155, 156, 180, 186, 195, 216, 234, 248, 260, 270, 279, 310, 312, 351, 360, 372, 390, 403, 465, 468, 520, 540, 558, 577, 585, 620, 702, 744, 780, 806, 837, 930, 936, 1080, 1116, 1154, 1170, 1209, 1240, 1395, 1404, 1560, 1612, 1674, 1731, 1755, 1860, 2015, 2232, 2308, 2340, 2418, 2790, 2808, 2885, 3224, 3348, 3462, 3510, 3627, 3720, 4030, 4185, 4616, 4680, 4836, 5193, 5580, 5770, 6045, 6696, 6924, 7020, 7254, 7501, 8060, 8370, 8655, 9672, 10386, 10881, 11160, 11540, 12090, 13848, 14040, 14508, 15002, 15579, 16120, 16740, 17310, 17887, 18135, 20772, 21762, 22503, 23080, 24180, 25965, 29016, 30004, 31158, 33480, 34620, 35774, 36270, 37505, 41544, 43524, 45006, 48360, 51930, 53661, 54405, 60008, 62316, 67509, 69240, 71548, 72540, 75010, 77895, 87048, 89435, 90012, 103860, 107322, 108810, 112515, 124632, 135018, 143096, 145080, 150020, 155790, 160983, 178870, 180024, 202527, 207720, 214644, 217620, 225030, 232531, 268305, 270036, 300040, 311580, 321966, 337545, 357740, 405054, 429288, 435240, 450060, 465062, 482949, 536610, 540072, 623160, 643932, 675090, 697593, 715480, 804915, 810108, 900120, 930124, 965898, 1012635, 1073220, 1162655, 1287864, 1350180, 1395186, 1609830, 1620216, 1860248, 1931796, 2025270, 2092779, 2146440, 2325310, 2414745, 2700360, 2790372, 3219660, 3487965, 3863592, 4050540, 4185558, 4650620, 4829490, 5580744, 6278337, 6439320, 6975930, 8101080, 8371116, 9301240, 9658980, 10463895, 12556674, 13951860, 16742232, 19317960, 20927790, 25113348, 27903720, 31391685, 41855580, 50226696, 62783370, 83711160, 125566740, 251133480]

約数ペア:

[(1, 251133480), (2, 125566740), (3, 83711160), (4, 62783370), (5, 50226696), (6, 41855580), (8, 31391685), (9, 27903720), (10, 25113348), (12, 20927790), (13, 19317960), (15, 16742232), (18, 13951860), (20, 12556674), (24, 10463895), (26, 9658980), (27, 9301240), (30, 8371116), (31, 8101080), (36, 6975930), (39, 6439320), (40, 6278337), (45, 5580744), (52, 4829490), (54, 4650620), (60, 4185558), (62, 4050540), (65, 3863592), (72, 3487965), (78, 3219660), (90, 2790372), (93, 2700360), (104, 2414745), (108, 2325310), (117, 2146440), (120, 2092779), (124, 2025270), (130, 1931796), (135, 1860248), (155, 1620216), (156, 1609830), (180, 1395186), (186, 1350180), (195, 1287864), (216, 1162655), (234, 1073220), (248, 1012635), (260, 965898), (270, 930124), (279, 900120), (310, 810108), (312, 804915), (351, 715480), (360, 697593), (372, 675090), (390, 643932), (403, 623160), (465, 540072), (468, 536610), (520, 482949), (540, 465062), (558, 450060), (577, 435240), (585, 429288), (620, 405054), (702, 357740), (744, 337545), (780, 321966), (806, 311580), (837, 300040), (930, 270036), (936, 268305), (1080, 232531), (1116, 225030), (1154, 217620), (1170, 214644), (1209, 207720), (1240, 202527), (1395, 180024), (1404, 178870), (1560, 160983), (1612, 155790), (1674, 150020), (1731, 145080), (1755, 143096), (1860, 135018), (2015, 124632), (2232, 112515), (2308, 108810), (2340, 107322), (2418, 103860), (2790, 90012), (2808, 89435), (2885, 87048), (3224, 77895), (3348, 75010), (3462, 72540), (3510, 71548), (3627, 69240), (3720, 67509), (4030, 62316), (4185, 60008), (4616, 54405), (4680, 53661), (4836, 51930), (5193, 48360), (5580, 45006), (5770, 43524), (6045, 41544), (6696, 37505), (6924, 36270), (7020, 35774), (7254, 34620), (7501, 33480), (8060, 31158), (8370, 30004), (8655, 29016), (9672, 25965), (10386, 24180), (10881, 23080), (11160, 22503), (11540, 21762), (12090, 20772), (13848, 18135), (14040, 17887), (14508, 17310), (15002, 16740), (15579, 16120)]