13431880

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:132

約数の個数: 128

約数和(自身を含む): 38880000

約数和(自身を除く): 25448120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 89, 98, 110, 140, 154, 178, 196, 220, 245, 280, 308, 343, 356, 385, 392, 440, 445, 490, 539, 616, 623, 686, 712, 770, 890, 979, 980, 1078, 1246, 1372, 1540, 1715, 1780, 1958, 1960, 2156, 2492, 2695, 2744, 3080, 3115, 3430, 3560, 3773, 3916, 4312, 4361, 4895, 4984, 5390, 6230, 6853, 6860, 7546, 7832, 8722, 9790, 10780, 12460, 13706, 13720, 15092, 17444, 18865, 19580, 21560, 21805, 24920, 27412, 30184, 30527, 34265, 34888, 37730, 39160, 43610, 47971, 54824, 61054, 68530, 75460, 87220, 95942, 122108, 137060, 150920, 152635, 174440, 191884, 239855, 244216, 274120, 305270, 335797, 383768, 479710, 610540, 671594, 959420, 1221080, 1343188, 1678985, 1918840, 2686376, 3357970, 6715940, 13431880]

約数ペア:

[(1, 13431880), (2, 6715940), (4, 3357970), (5, 2686376), (7, 1918840), (8, 1678985), (10, 1343188), (11, 1221080), (14, 959420), (20, 671594), (22, 610540), (28, 479710), (35, 383768), (40, 335797), (44, 305270), (49, 274120), (55, 244216), (56, 239855), (70, 191884), (77, 174440), (88, 152635), (89, 150920), (98, 137060), (110, 122108), (140, 95942), (154, 87220), (178, 75460), (196, 68530), (220, 61054), (245, 54824), (280, 47971), (308, 43610), (343, 39160), (356, 37730), (385, 34888), (392, 34265), (440, 30527), (445, 30184), (490, 27412), (539, 24920), (616, 21805), (623, 21560), (686, 19580), (712, 18865), (770, 17444), (890, 15092), (979, 13720), (980, 13706), (1078, 12460), (1246, 10780), (1372, 9790), (1540, 8722), (1715, 7832), (1780, 7546), (1958, 6860), (1960, 6853), (2156, 6230), (2492, 5390), (2695, 4984), (2744, 4895), (3080, 4361), (3115, 4312), (3430, 3916), (3560, 3773)]