249057480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:308

約数の個数: 256

約数和(自身を含む): 918190080

約数和(自身を除く): 669132600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 107, 119, 120, 136, 140, 163, 168, 170, 204, 210, 214, 238, 255, 280, 321, 326, 340, 357, 408, 420, 428, 476, 489, 510, 535, 595, 642, 652, 680, 714, 749, 815, 840, 856, 952, 978, 1020, 1070, 1141, 1190, 1284, 1304, 1428, 1498, 1605, 1630, 1785, 1819, 1956, 2040, 2140, 2247, 2282, 2380, 2445, 2568, 2771, 2856, 2996, 3210, 3260, 3423, 3570, 3638, 3745, 3912, 4280, 4494, 4564, 4760, 4890, 5457, 5542, 5705, 5992, 6420, 6520, 6846, 7140, 7276, 7490, 8313, 8988, 9095, 9128, 9780, 10914, 11084, 11235, 11410, 12733, 12840, 13692, 13855, 14280, 14552, 14980, 16626, 17115, 17441, 17976, 18190, 19397, 19560, 21828, 22168, 22470, 22820, 25466, 27285, 27384, 27710, 29960, 33252, 34230, 34882, 36380, 38199, 38794, 41565, 43656, 44940, 45640, 50932, 52323, 54570, 55420, 58191, 63665, 66504, 68460, 69764, 72760, 76398, 77588, 83130, 87205, 89880, 96985, 101864, 104646, 109140, 110840, 116382, 122087, 127330, 136920, 139528, 152796, 155176, 166260, 174410, 190995, 193970, 209292, 218280, 232764, 244174, 254660, 261615, 290955, 296497, 305592, 332520, 348820, 366261, 381990, 387940, 418584, 465528, 488348, 509320, 523230, 581910, 592994, 610435, 697640, 732522, 763980, 775880, 889491, 976696, 1046460, 1163820, 1185988, 1220870, 1465044, 1482485, 1527960, 1778982, 1831305, 2075479, 2092920, 2327640, 2371976, 2441740, 2930088, 2964970, 3557964, 3662610, 4150958, 4447455, 4883480, 5929940, 6226437, 7115928, 7325220, 8301916, 8894910, 10377395, 11859880, 12452874, 14650440, 16603832, 17789820, 20754790, 24905748, 31132185, 35579640, 41509580, 49811496, 62264370, 83019160, 124528740, 249057480]

約数ペア:

[(1, 249057480), (2, 124528740), (3, 83019160), (4, 62264370), (5, 49811496), (6, 41509580), (7, 35579640), (8, 31132185), (10, 24905748), (12, 20754790), (14, 17789820), (15, 16603832), (17, 14650440), (20, 12452874), (21, 11859880), (24, 10377395), (28, 8894910), (30, 8301916), (34, 7325220), (35, 7115928), (40, 6226437), (42, 5929940), (51, 4883480), (56, 4447455), (60, 4150958), (68, 3662610), (70, 3557964), (84, 2964970), (85, 2930088), (102, 2441740), (105, 2371976), (107, 2327640), (119, 2092920), (120, 2075479), (136, 1831305), (140, 1778982), (163, 1527960), (168, 1482485), (170, 1465044), (204, 1220870), (210, 1185988), (214, 1163820), (238, 1046460), (255, 976696), (280, 889491), (321, 775880), (326, 763980), (340, 732522), (357, 697640), (408, 610435), (420, 592994), (428, 581910), (476, 523230), (489, 509320), (510, 488348), (535, 465528), (595, 418584), (642, 387940), (652, 381990), (680, 366261), (714, 348820), (749, 332520), (815, 305592), (840, 296497), (856, 290955), (952, 261615), (978, 254660), (1020, 244174), (1070, 232764), (1141, 218280), (1190, 209292), (1284, 193970), (1304, 190995), (1428, 174410), (1498, 166260), (1605, 155176), (1630, 152796), (1785, 139528), (1819, 136920), (1956, 127330), (2040, 122087), (2140, 116382), (2247, 110840), (2282, 109140), (2380, 104646), (2445, 101864), (2568, 96985), (2771, 89880), (2856, 87205), (2996, 83130), (3210, 77588), (3260, 76398), (3423, 72760), (3570, 69764), (3638, 68460), (3745, 66504), (3912, 63665), (4280, 58191), (4494, 55420), (4564, 54570), (4760, 52323), (4890, 50932), (5457, 45640), (5542, 44940), (5705, 43656), (5992, 41565), (6420, 38794), (6520, 38199), (6846, 36380), (7140, 34882), (7276, 34230), (7490, 33252), (8313, 29960), (8988, 27710), (9095, 27384), (9128, 27285), (9780, 25466), (10914, 22820), (11084, 22470), (11235, 22168), (11410, 21828), (12733, 19560), (12840, 19397), (13692, 18190), (13855, 17976), (14280, 17441), (14552, 17115), (14980, 16626)]