2017431640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3469}}^1$

素因数の和:3585

約数の個数: 128

約数和(自身を含む): 5436518400

約数和(自身を除く): 3419086760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 67, 70, 124, 134, 140, 155, 217, 248, 268, 280, 310, 335, 434, 469, 536, 620, 670, 868, 938, 1085, 1240, 1340, 1736, 1876, 2077, 2170, 2345, 2680, 3469, 3752, 4154, 4340, 4690, 6938, 8308, 8680, 9380, 10385, 13876, 14539, 16616, 17345, 18760, 20770, 24283, 27752, 29078, 34690, 41540, 48566, 58156, 69380, 72695, 83080, 97132, 107539, 116312, 121415, 138760, 145390, 194264, 215078, 232423, 242830, 290780, 430156, 464846, 485660, 537695, 581560, 752773, 860312, 929692, 971320, 1075390, 1162115, 1505546, 1626961, 1859384, 2150780, 2324230, 3011092, 3253922, 3763865, 4301560, 4648460, 6022184, 6507844, 7205113, 7527730, 8134805, 9296920, 13015688, 14410226, 15055460, 16269610, 28820452, 30110920, 32539220, 36025565, 50435791, 57640904, 65078440, 72051130, 100871582, 144102260, 201743164, 252178955, 288204520, 403486328, 504357910, 1008715820, 2017431640]

約数ペア:

[(1, 2017431640), (2, 1008715820), (4, 504357910), (5, 403486328), (7, 288204520), (8, 252178955), (10, 201743164), (14, 144102260), (20, 100871582), (28, 72051130), (31, 65078440), (35, 57640904), (40, 50435791), (56, 36025565), (62, 32539220), (67, 30110920), (70, 28820452), (124, 16269610), (134, 15055460), (140, 14410226), (155, 13015688), (217, 9296920), (248, 8134805), (268, 7527730), (280, 7205113), (310, 6507844), (335, 6022184), (434, 4648460), (469, 4301560), (536, 3763865), (620, 3253922), (670, 3011092), (868, 2324230), (938, 2150780), (1085, 1859384), (1240, 1626961), (1340, 1505546), (1736, 1162115), (1876, 1075390), (2077, 971320), (2170, 929692), (2345, 860312), (2680, 752773), (3469, 581560), (3752, 537695), (4154, 485660), (4340, 464846), (4690, 430156), (6938, 290780), (8308, 242830), (8680, 232423), (9380, 215078), (10385, 194264), (13876, 145390), (14539, 138760), (16616, 121415), (17345, 116312), (18760, 107539), (20770, 97132), (24283, 83080), (27752, 72695), (29078, 69380), (34690, 58156), (41540, 48566)]