257368440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:374

約数の個数: 256

約数和(自身を含む): 951782400

約数和(自身を除く): 694413960

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, 67, 68, 70, 84, 85, 102, 105, 119, 120, 134, 136, 140, 168, 170, 201, 204, 210, 238, 255, 268, 269, 280, 335, 340, 357, 402, 408, 420, 469, 476, 510, 536, 538, 595, 670, 680, 714, 804, 807, 840, 938, 952, 1005, 1020, 1076, 1139, 1190, 1340, 1345, 1407, 1428, 1608, 1614, 1785, 1876, 1883, 2010, 2040, 2152, 2278, 2345, 2380, 2680, 2690, 2814, 2856, 3228, 3417, 3570, 3752, 3766, 4020, 4035, 4556, 4573, 4690, 4760, 5380, 5628, 5649, 5695, 6456, 6834, 7035, 7140, 7532, 7973, 8040, 8070, 9112, 9146, 9380, 9415, 10760, 11256, 11298, 11390, 13668, 13719, 14070, 14280, 15064, 15946, 16140, 17085, 18023, 18292, 18760, 18830, 22596, 22780, 22865, 23919, 27336, 27438, 28140, 28245, 31892, 32011, 32280, 34170, 36046, 36584, 37660, 39865, 45192, 45560, 45730, 47838, 54069, 54876, 56280, 56490, 63784, 64022, 68340, 68595, 72092, 75320, 79730, 90115, 91460, 95676, 96033, 108138, 109752, 112980, 119595, 126161, 128044, 136680, 137190, 144184, 159460, 160055, 180230, 182920, 191352, 192066, 216276, 225960, 239190, 252322, 256088, 270345, 274380, 306391, 318920, 320110, 360460, 378483, 384132, 432552, 478380, 480165, 504644, 540690, 548760, 612782, 630805, 640220, 720920, 756966, 768264, 919173, 956760, 960330, 1009288, 1081380, 1225564, 1261610, 1280440, 1513932, 1531955, 1838346, 1892415, 1920660, 2144737, 2162760, 2451128, 2523220, 3027864, 3063910, 3676692, 3784830, 3841320, 4289474, 4595865, 5046440, 6127820, 6434211, 7353384, 7569660, 8578948, 9191730, 10723685, 12255640, 12868422, 15139320, 17157896, 18383460, 21447370, 25736844, 32171055, 36766920, 42894740, 51473688, 64342110, 85789480, 128684220, 257368440]

約数ペア:

[(1, 257368440), (2, 128684220), (3, 85789480), (4, 64342110), (5, 51473688), (6, 42894740), (7, 36766920), (8, 32171055), (10, 25736844), (12, 21447370), (14, 18383460), (15, 17157896), (17, 15139320), (20, 12868422), (21, 12255640), (24, 10723685), (28, 9191730), (30, 8578948), (34, 7569660), (35, 7353384), (40, 6434211), (42, 6127820), (51, 5046440), (56, 4595865), (60, 4289474), (67, 3841320), (68, 3784830), (70, 3676692), (84, 3063910), (85, 3027864), (102, 2523220), (105, 2451128), (119, 2162760), (120, 2144737), (134, 1920660), (136, 1892415), (140, 1838346), (168, 1531955), (170, 1513932), (201, 1280440), (204, 1261610), (210, 1225564), (238, 1081380), (255, 1009288), (268, 960330), (269, 956760), (280, 919173), (335, 768264), (340, 756966), (357, 720920), (402, 640220), (408, 630805), (420, 612782), (469, 548760), (476, 540690), (510, 504644), (536, 480165), (538, 478380), (595, 432552), (670, 384132), (680, 378483), (714, 360460), (804, 320110), (807, 318920), (840, 306391), (938, 274380), (952, 270345), (1005, 256088), (1020, 252322), (1076, 239190), (1139, 225960), (1190, 216276), (1340, 192066), (1345, 191352), (1407, 182920), (1428, 180230), (1608, 160055), (1614, 159460), (1785, 144184), (1876, 137190), (1883, 136680), (2010, 128044), (2040, 126161), (2152, 119595), (2278, 112980), (2345, 109752), (2380, 108138), (2680, 96033), (2690, 95676), (2814, 91460), (2856, 90115), (3228, 79730), (3417, 75320), (3570, 72092), (3752, 68595), (3766, 68340), (4020, 64022), (4035, 63784), (4556, 56490), (4573, 56280), (4690, 54876), (4760, 54069), (5380, 47838), (5628, 45730), (5649, 45560), (5695, 45192), (6456, 39865), (6834, 37660), (7035, 36584), (7140, 36046), (7532, 34170), (7973, 32280), (8040, 32011), (8070, 31892), (9112, 28245), (9146, 28140), (9380, 27438), (9415, 27336), (10760, 23919), (11256, 22865), (11298, 22780), (11390, 22596), (13668, 18830), (13719, 18760), (14070, 18292), (14280, 18023), (15064, 17085), (15946, 16140)]